nyt - arch

Rep. Michele Bachmann (R-Minn.), a candidate for the Republican presidential nomination, speaks to reporters during a campaign stop at the Pizza Ranch...

Rep. Michele Bachmann (R-Minn.), a candidate for the Republican presidential nomination, waves to supporters aboard her campaign bus during a stop in...

**EMBARGO: No electronic distribution, Web posting or street sales before Sunday 12:01 a.m. ET Dec. 18, 2011. No exceptions for any reasons. EMBARGO s...

**EMBARGO: No electronic distribution, Web posting or street sales before Sunday 12:01 a.m. ET Dec. 18, 2011. No exceptions for any reasons. EMBARGO s...

Dozens of Occupy Wall Street protesters climb a wooden ladder into the fenced lot owned by Trinity Church, in New York, Dec. 17, 2011. Today marked th...

The Rev. Phil Lofton, center, joins Occupy Wall Street protesters for a demonstration at Duarte Park, in New York, Dec. 17, 2011. Today marked the com...

Occupy Wall Street protesters stage a demonstration at Duarte Park, in New York, Dec. 17, 2011. Today marked the completion of three months since the...

President Barack Obama speaks to reporters about the Senate's vote to extend the payroll tax cut, in the Briefing Room at the White House in Washingto...

Rep. Ron Paul (R-Texas), a candidate for the Republican presidential nomination, backstage before appearing on "The Tonight Show With Jay Leno" at NBC...

Rep. Ron Paul (R-Texas), a candidate for the Republican presidential nomination, signs a poster for a supporter backstage before appearing on "The Ton...

A buoy decorated by children to be auctioned to raise money for an arts group adorns a Christmas tree made of lobster traps, in Gloucester, Mass., Dec...

Cpl. Clayton Rhoden, a veteran who is struggling to find employment, in Columbus, Ohio, Dec. 8, 2011. Rhoden is among the legions of veterans who serv...

Glenys Cushman smokes a cigarette in the parking lot of the public housing building where she resides, in Auburn, Maine, Dec. 5, 2011. Largely in resp...

**EMBARGO: No electronic distribution, Web posting or street sales before Sunday 12:01 a.m. ET Dec. 18, 2011. No exceptions for any reasons. EMBARGO s...

President Barack Obama speaks to reporters about the Senate's vote to extend the payroll tax cut, in the Briefing Room at the White House in Washingto...

Texas Gov. Rick Perry, a candidate for the Republican presidential nomination, during a campaign stop in Spencer, Iowa, Dec. 17, 2011. Perry's visit t...

Nikki McLean, smokes a cigarette at a smoking area near her public housing home, in Portland, Maine, Dec. 5, 2011. Largely in response to the risks po...

Katey Walter Anthony, a leading scientist in studying the escape of methane, at her research site where methane is collecting beneath the ice, in Fair...

On a lake, plumes of gas, most likely methane from the breakdown of carbon in sediments below the lake, keep the water from freezing in spots, outside...

Rep. Ron Paul (R-Texas), a candidate for the Republican presidential nomination, backstage before appearing on "The Tonight Show With Jay Leno" at NBC...

Texas Gov. Rick Perry, a candidate for the Republican presidential nomination, during a campaign stop in Algona, Iowa, Dec. 17, 2011. Perry's visit to...

Occupy Wall Street protesters stage a demonstration at Duarte Park, in New York, Dec. 17, 2011. Today marked the completion of three months since the...

**EMBARGO: No electronic distribution, Web posting or street sales before Sunday 12:01 a.m. ET Dec. 18, 2011. No exceptions for any reasons. EMBARGO s...

**EMBARGO: No electronic distribution, Web posting or street sales before Sunday 12:01 a.m. ET Dec. 18, 2011. No exceptions for any reasons. EMBARGO s...

**EMBARGO: No electronic distribution, Web posting or street sales before Sunday 12:01 a.m. ET Dec. 18, 2011. No exceptions for any reasons. EMBARGO s...

Texas Gov. Rick Perry, a candidate for the Republican presidential nomination, during a campaign stop in Algona, Iowa, Dec. 17, 2011. Perry's visit to...

Jennifer Pust, who believes social media can be useful educational tools, in her classroom at Santa Monica High School in Santa Monica, Calif., Oct. 3...

On a lake, plumes of gas, most likely methane from the breakdown of carbon in sediments below the lake, keep the water from freezing in spots, outside...

Katey Walter Anthony, a leading scientist in studying the escape of methane, at her research site where methane is collecting beneath the ice, in Fair...

On a lake, plumes of gas, most likely methane from the breakdown of carbon in sediments below the lake, keep the water from freezing in spots, outside...

Rep. Ron Paul (R-Texas), a candidate for the Republican presidential nomination, signs a book for a supporter backstage before appearing on "The Tonig...

Rep. Ron Paul (R-Texas), a candidate for the Republican presidential nomination, during makeup backstage before appearing on "The Tonight Show With Ja...

Rep. Ron Paul (R-Texas), a candidate for the Republican presidential nomination, backstage before appearing on "The Tonight Show With Jay Leno" at NBC...

An man is detained by police after Occupy Wall Street protesters attempted to use a lot owned by Trinity Church as a camp site, in New York, Dec. 17,...

**EMBARGO: No electronic distribution, Web posting or street sales before Sunday 12:01 a.m. ET Dec. 18, 2011. No exceptions for any reasons. EMBARGO s...

**EMBARGO: No electronic distribution, Web posting or street sales before Sunday 12:01 a.m. ET Dec. 18, 2011. No exceptions for any reasons. EMBARGO s...

**EMBARGO: No electronic distribution, Web posting or street sales before Sunday 12:01 a.m. ET Dec. 18, 2011. No exceptions for any reasons. EMBARGO s...

A Christmas tree made of lobster traps to honor the town's fishing tradition, in Gloucester, Mass., Dec. 17, 2011. Along the northern New England Coas...

Rep. Ron Paul (R-Texas), a candidate for the Republican presidential nomination, backstage before appearing on "The Tonight Show With Jay Leno" at NBC...

Rep. Ron Paul (R-Texas), a candidate for the Republican presidential nomination, walks offstage after appearing on "The Tonight Show With Jay Leno" at...

Katey Walter Anthony, a leading scientist in studying the escape of methane, chops through ice as she prepares to retrieve equipment used for measurin...

Senate Minority Leader Mitch McConnell (R-Ky.) walks from the Senate floor after a vote to extend payroll tax cut, on Capitol Hill in Washington, Dec....

President Barack Obama speaks to reporters about the Senate's vote to extend the payroll tax cut, in the Briefing Room at the White House in Washingto...

President Barack Obama enters the White House Briefing Room to speak to reporters about the Senate's vote to extend the payroll tax cut, in Washington...

Rep. Ron Paul (R-Texas), a candidate for the Republican presidential nomination, talks to a supporter backstage of "The Tonight Show With Jay Leno" at...

Rep. Ron Paul (R-Texas), a candidate for the Republican presidential nomination, during makeup backstage before appearing on "The Tonight Show With Ja...

Dozens of Occupy Wall Street protesters attempt to enter the fenced lot owned by Trinity Church, in New York, Dec. 17, 2011. Today marked the completi...

Residents of Franklin Towers, a public housing high-rise, gather at the curb to smoke cigarettes, in Portland, Maine, Dec. 15, 2011. Largely in respon...

Texas Gov. Rick Perry, a candidate for the Republican presidential nomination, during a campaign stop in Algona, Iowa, Dec. 17, 2011. Perry's visit to...

Texas Gov. Rick Perry, a candidate for the Republican presidential nomination, during a campaign stop in Spencer, Iowa, Dec. 17, 2011. Perry's visit t...