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**FILE PHOTO** Former first lady Nancy Reagan shares a smile with President George W. Bush during a dedication ceremony for the Air Force One Pavilion...

FILE -- Nancy Reagan is bedecked with streamers and confetti after her husband's name was placed in nomination at the Republican National Convention i...

FILE -- Nancy Reagan at the inaugural ball with her husband President Ronald Reagan, in a gown by James Galanos, in Washington, in 1981. Among politic...

**FILE PHOTO** From left, President Ronald Reagan, First Lady Nancy Reagan, Barbara Bush and her husband, Vice President George H.W. Bush, react as Re...

**FILE PHOTO** Nancy Reagan arrives at George Washington University Hospital on April 1, 1981, carrying a jar of jellybeans for her husband, President...

**FILE PHOTO** President Ronald Reagan and First Lady Nancy Reagan depart Blair House in Washington to the Inauguration Gala in his honor on Jan. 19,...

**FILE PHOTO** Former first lady Nancy Reagan is embraced by House Speaker Nancy Pelosi (D-Calif.) at the dedication of a statue of President Ronald...

**FILE PHOTO** Former first lady Nancy Reagan is joined by son Ron Reagan and daughter Patti Davis as the body of her husband, former President Ronald...

**FILE PHOTO** Former first lady Nancy Reagan is escorted to her seat by President George W. Bush at the funeral of her husband, former President Rona...

**FILE PHOTO** Former first lady Nancy Reagan, center, sits with Gov. Arnold Schwarzenegger as they watch Republican presidential candidates debate at...

**FILE PHOTO** First lady Nancy Reagan watches election returns with her husband, President Ronald Reagan, in Los Angeles in this Nov. 6, 1984 file ph...

Fans enjoy the afternoon at the Havana seafront after a free concert by of the U.S. electronic music group Major Lazer in Havana, Cuba, Sunday, March...

Diplo of the U.S. electronic music group Major Lazer waves a Cuban flag as fellow band mate Jillionaire stands next to him during a free concert at th...

Fans dance and take pictures with their mobile phones during a free concert by the U.S. electronic music group Major Lazer in Havana, Cuba, Sunday, Ma...

Fans dance during a performance by the U.S. electronic music group Major Lazer in Havana, Cuba, Sunday, March 6, 2016. (AP Photo/Ramon Espinosa)

Members of the Cuban Red Cross help a young woman during a free concert by the U.S. electronic music group Major Lazer, at the Anti-Imperialist park i...

U.S. electronic music group Major Lazer performs, at the Anti-Imperialist park in front of the U.S. Embassy in Havana, Cuba, Sunday, March 6, 2016. (A...

People dance during a free concert by the U.S. electronic music group Major Lazer, at the Anti-Imperialist park in front of the U.S. Embassy in Havana...

Fans dance on Havana's seafront during a free concert by the U.S. electronic music group Major Lazer in Havana, Cuba, Sunday, March 6, 2016. (AP Photo...

Diplo of the U.S. electronic music group Major Lazer waves a Cuban flag during a free concert at the Anti-Imperialist park in front of the U.S. Emba...

Fans show a sign that reads in Spanish "Love Diplo and We love Major Lazer" during a free concert by the U.S. electronic music group Major Lazer in Ha...

Ancient rock art at the Sand Island campground along the San Juan river near Bluff, Utah, March 6, 2016. Conservation groups say a new monument in the...

Monument Valley as seen from Muley Point, on an escarpment high above the San Juan River in southeastern Utah, March 6, 2016. Conservation groups say...

The leader of the left-wing Smer-Social Democracy party and Prime Minister Robert Fico speaks at party headquarters on March 6, 2016 in Bratislava fo...

The leader of the left-wing Smer-Social Democracy party and Prime Minister Robert Fico addresses a press conference at party headquarters on March 6,...

The leader of the left-wing Smer-Social Democracy party and Prime Minister Robert Fico addresses a press conference at party headquarters on March 6,...

A Buddhist ascetic runs barefoot on hot coals among flames during the "Hi-Watari", or fire walking ceremony, to herald the coming of Spring at the Fud...

Carrying a talisman, a Buddhist ascetic walks barefoot among flames on hot coals during the "Hi-Watari", or fire walking ceremony, to herald the comin...

A Buddhist devotee walks barefoot among flames during the "Hi-Watari", or fire walking ceremony, to herald the coming of Spring at the Fudoji temple i...

Two men stand next to a razor-topped fence close to the gate at the Greek-Macedonian border near the Greek village of Idomeni, on March 6, 2016, where...

Pope Francis delivers his blessing upon the congregation from the window of the Apostolic Palace overlooking St Peter's square during the Sunday Angel...

Pope Francis delivers his sermon to the congregation from the window of the Apostolic Palace overlooking St Peter's square during the Sunday Angelus p...

A participant, with a tattoo on his arm reading "Putin is a thief!", holds a scarecrow depicting Russian President Vladimir Putin hanged on the gallow...

A picture made available on March 6, 2016 shows Iran's billionaire tycoon Babak Zanjani (C) in a court, in Tehran. The 41-year-old was convicted of f...

A picture made available on March 6, 2016 shows Iran's billionaire tycoon Babak Zanjani (C) in a court, in Tehran. The 41-year-old was convicted of f...

A picture made available on March 6, 2016 shows Iran's billionaire tycoon Babak Zanjani (C) in a court, in Tehran. The 41-year-old was convicted of f...

This handout picture released by the Vatican press Office - Osservatore Romano shows Pope Francis looking on during a mass at the starting of his spir...

This handout picture released by the Vatican press Office - Osservatore Romano shows Pope Francis arriving for a mass during his spiritual retreat wit...

Participants pose for a photo as they march along a street during the 38th annual Gay and Lesbian Mardi Gras in Sydney, Australia, Saturday, March 5,...

One of Thai Lady Boys poses for a photo while marching along a street during the 38th annual Gay and Lesbian Mardi Gras in Sydney, Australia, Saturday...

A young devotee dressed as Hindu god Shiva participates in a procession ahead of Shivratri festival, in Jammu, India, Saturday, March 5, 2016. Shivrat...

A devotee dressed as Hindu god Shiva dances during a procession ahead of Shivratri festival, in Jammu, India, Saturday, March 5, 2016. Shivratri, the...

A devotee dressed as a Hindu goddess Kali participates in a procession ahead of Shivratri festival, in Jammu, India, Saturday, March 5, 2016. Shivratr...

Devotees dressed as Hindu goddess Kali participate in a procession ahead of Shivratri festival, in Jammu, India, Saturday, March 5, 2016. Shivratri,...

160305-N-MY901-016 ATLANTIC OCEAN (March 5, 2016) ??" Sailors from Air Department view the sunset from the hangar bay aboard the aircraft carrier USS...

160305-N-GZ947-261 SOUTH CHINA SEA (March 5, 2016) Aviation Boatswain's Mate (Equipment) Airman Austin Dickerson from Warsaw, Ohio, braces himself as...

Democratic presidential candidate Sen. Bernie Sanders, I-Vt., speaks at a campaign rally at the Phoenix Convention Center in Phoenix, Tuesday, March 1...

Participants take part in the Sydney gay and lesbian Mardi Gras Parade in Sydney on March 5, 2016. From drag queens to footballers, thousands of Aust...

This handout picture released by the Vatican press office shows Pope Francis speaking with members of the Ukrainian Greek Catholic Church on March 5,...

This handout picture released by the Vatican press office shows Pope Francis posing for photographs with members of the Ukrainian Greek Catholic Churc...