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Senate Minority Whip Richard Durbin of Ill. is surrounded by reporters on Capitol Hill in Washington, Tuesday, Feb. 23, 2016, after Senate Majority Le...

Republican presidential candidate Donald Trump looks out onto the crowd during a rally Tuesday, Feb. 23, 2016, in Reno, Nev. (AP Photo/Marcio Jose San...

A member of the Mississippi Highway Patrol Honor Guard salutes the casket of Mississippi Bureau of Narcotics agent James Lee Tartt prior to his funera...

Robert Bever, second from left, and Michael Bever, third from left, are escorted into a courtroom for a hearing in Tulsa, Okla., Tuesday, Feb. 23, 20...

Republican presidential candidate, Sen. Marco Rubio, R-Fla., speaks during a campaign rally Tuesday, Feb. 23, 2016, in Minneapolis. (AP Photo/Jim Mon...

Janine Santos holds her 3-month-old son Shayde Henrique who was born with microcephaly while health workers visit her home in Joao Pessoa, Brazil, Tue...

Protesters carry placards outside an Apple store Tuesday, Feb. 23, 2016, in Boston. Demonstrators are expected to gather in a number of cities Tuesday...

A demonstrator stands outside the Apple store on Fifth Avenue, Tuesday, Feb. 23, 2016, in New York. Protesters assembled in more than 30 cities around...

Democratic presidential candidate Hillary Clinton, right, holds hands with Sybrina Fulton, mother of Trayvon Martin, as she reacts to Fulton's stateme...

A demonstrator shout slogans against Bolivian President Evo Morales, demanding he concede, while waiting for the official results of a constitutional...

Republican presidential candidate Donald Trump speaks while visiting a caucus site, Tuesday, Feb. 23, 2016, in Las Vegas. (AP Photo/Jae C. Hong)

A man holds out his iPhone during a rally in support of data privacy outside the Apple store Tuesday, Feb. 23, 2016, in San Francisco. Protesters asse...

A passenger jet passes in front of the waning full moon as it approaches Sky Harbor International Airport Tuesday, Feb. 23, 2016, in Phoenix. (AP Phot...

In this Feb. 15, 2016 photo, Carole Joseph nurses her twins at her home in Oriani, Haiti. The 28-year-old mother of four, is among roughly 1.5 million...

Republican presidential candidate Donald Trump arrives for a caucus night rally Tuesday, Feb. 23, 2016, in Las Vegas. (AP Photo/Jae C. Hong)

Republican presidential candidate Donald Trump arrives for a caucus night rally Tuesday, Feb. 23, 2016, in Las Vegas. (AP Photo/Jae C. Hong)

Republican presidential candidate Donald Trump, left, arrives with his son Eric during a caucus night rally Tuesday, Feb. 23, 2016, in Las Vegas. (AP...

Donald Trump, a Republican presidential hopeful, during a campaign event at South Point Arena in Las Vegas, Feb. 22, 2016. (Ruth Fremson/The New York...

A protester holds a sign asking Donald Trump to end hate speech against Muslims during a campaign event where the Republican presidential hopeful spok...

Backed by victims of gun violence, Hillary Clinton speaks at the Central Baptist Church in Columbia, S.C., Feb. 23, 2016. From left: Maria Hamilton, t...

Hillary Clinton speaks at a town hall forum at the Central Baptist Church in Columbia, S.C., Feb. 23, 2016. Clinton was joined by a number of parents...

Sen. Bernie Sanders of Vermont, a Democratic presidential hopeful, and his wife, Jane O'Meara Sanders, take the stage during a campaign event at the...

Glenn Potter makes phone calls at a campaign office for Sen. Marco Rubio of Florida, a Republican presidential hopeful, on the day of the Nevada caucu...

Hillary Clinton returns to the stage after a commercial break at a town hall forum hosted by CNN at the University of South Carolina in Columbia, Feb....

First responders search the remains of trailers and vehicles at the Sugar Hill RV Park in Convent, La., Tuesday, Feb. 23, 2016. St. James Parish Sheri...

Members of the Sam Houston Trail Ride make their way down a highway in Tomball, Texas, Tuesday, Feb. 23, 2016. More than 3,000 riders from 13 trail ri...

This Feb. 7, 2016 photo made available by NASA shows Levi's Stadium in Santa Clara, Calif., on the day of the Super Bowl football game. Expedition 46...

This photo taken on February 23, 2016 shows the interior of a luxury bathroom built exclusively for Thailand's Princess Maha Chakri Sirindhorn near Ye...

A Palestinian teacher leads a class of Palestinian bedouin children from the Abu Anwar community near the Jewish settlement of Maale Adumim (backgroun...

A Mars and a Snickers bar can be seen in Berlin on February 23, 2016. "All sweets of the brand Mars and Snickers with a best before date from June 1...

Fighters loyal to Libya's internationally recognised government celebrate as they come close to seizing the centre of Libya's eastern coastal city of...

Visitors test smartphones during the Mobile World Congress in Barcelona on February 23, 2016, during the first day of the world's biggest mobile fair...

Supporters of opposition parties stand among tents they set up in front of the Kosovo government building in Pristina on February 23, 2016, demanding...

Supporters of opposition parties stand among tents they set up in front of the Kosovo government building in Pristina on February 23, 2016, demanding...

A Red Crescent convoy carrying humanitarian aid arrives in Kafr Batna, in the rebel-held Eastern Ghouta area, on the outskirts of the capital Damascus...

A Red Crescent convoy carrying humanitarian aid arrives in Kafr Batna, in the rebel-held Eastern Ghouta area, on the outskirts of the capital Damascus...

Syrian children react as a Red Crescent convoy carrying humanitarian aid arrives in Kafr Batna, in the rebel-held Eastern Ghouta area, on the outskirt...

Syrian men unload a truck after the arrival of a Red Crescent convoy carrying humanitarian aid in Kafr Batna, in the rebel-held Eastern Ghouta area, o...

Supporters of opposition parties wear pink plastic rain ponchos near tents they set up in front of the Kosovo government building in Pristina on Febru...

Mars and Snickers chocolate bars are pictured in a shop in Martelange, Belgium on February 23, 2016. Confectioner Mars said on February 23, 2016 it w...

Republican presidential candidate Marco Rubio speaks at a campaign event ahead of the Nevada caucus at the Silverton Casino in Las Vegas, Nevada on Fe...

A member of the Cuban army fumigates against the Aedes aegypti mosquito to prevent the spread of zika, chikungunya and dengue, in Havana, on February...

A member of the Cuban army takes part in the fumigation campaign against the Aedes aegypti mosquito to prevent the spread of zika, chikungunya and den...

A member of the Cuban army fumigates against the Aedes aegypti mosquito to prevent the spread of zika, chikungunya and dengue, in Havana, on February...

A member of the Cuban army takes part in the fumigation campaign against the Aedes aegypti mosquito to prevent the spread of zika, chikungunya and den...

A member of the Cuban army fumigates against the Aedes aegypti mosquito to prevent the spread of zika, chikungunya and dengue, in Havana, on February...

Republican presidential candidate Marco Rubio speaks during a campaign event ahead of the Nevada caucus at the Silverton Casino in Las Vegas, Nevada o...

This February 23, 2016 United Nations handout photo shows a wide view of the Security Council debate on "Post-conflict peacebuilding: review of the pe...

An anti-government protester holds up his iPhone with a sign "No Entry" during a demonstration near the Apple store on Fifth Avenue in New York on Feb...

Protesters demonstrate outside the Federal Bureau of Investigation (FBI) headquarters building in Washington, DC, February 23, 2016, objecting to the...