Week in pictures (photo gallery)

ASSOCIATED PRESS

A person associated with the Occupy movement is arrested on a march down Broadway Street in New York enroute to Zuccotti Park, Saturday, Sept. 15, 2012. Monday marks the one year anniversary of the Occupy movement. (AP Photo/Stephanie Keith)

ASSOCIATED PRESS

Wreckage burns after a small helicopter crashed in a cornfield, killing the pilot, Saturday, Sept. 15, 2012, in West Windsor, N.J. It was not immediately clear what caused the accident, but township police Lt. Robert Garofalo said several people reported that a flock of birds appeared to make contact with the helicopter shortly before it crashed. He said authorities were still investigating those reports Saturday evening. (AP Photo/Brian McCarthy)

ASSOCIATED PRESS

A large group of public school teachers marches past John Marshall Metropolitan High School on Wednesday, Sept. 12, 2012 in West Chicago. Teachers walked off the job Monday for the first time in 25 years over issues that include pay raises, classroom conditions, job security and teacher evaluations. (AP Photo/Sitthixay Ditthavong)

ASSOCIATED PRESS

Visitors to the Flight 93 National Memorial walk along The Wall of Names, containing the names of the 40 passengers and crew who died in the crash of United Flight 93 following a memorial service in Shanksville, Pa., Tuesday, Sept. 11, 2012. (AP Photo/Gene J. Puskar)

ASSOCIATED PRESS

University of Nevada, Las Vegas students Ryan Klorman, top, and Markus Adams, relax on inflatable pool toys in floodwater at UNLV in Las Vegas Tuesday, Sept. 11, 2012. Intense thunderstorms drenched parts of the Southwest on Tuesday, delaying flights and stranding motorists in the Las Vegas area and flooding two mobile home parks in Southern California. (AP Photo/Las Vegas Review-Journal, John Locher)

ASSOCIATED PRESS

Yemeni protesters break a window of the U.S. Embassy during a protest about a film ridiculing Islam's Prophet Muhammad, in Sanaa, Yemen, Thursday, Sept. 13, 2012. Dozens of protesters gather in front of the US Embassy in Sanaa to protest against the American film "The Innocence of Muslims" deemed blasphemous and Islamophobic. (AP Photo/Hani Mohammed)

ASSOCIATED PRESS

An Egyptian protester throws back a tear gas canister toward riot police, unseen, behind cement blocks that are used to close the street leading to the U.S. embassy during clashes in Cairo, Egypt, Friday, Sept. 14, 2012, as part of widespread anger across the Muslim world about a film ridiculing Islam's Prophet Muhammad. (AP Photo/Nasser Nasser)

ASSOCIATED PRESS

Carry teams move flag draped transfer cases of the remains of the four Americans killed this week in Benghazi, Libya, from a transport plane during the Transfer of Remains Ceremony, Friday, Sept. 14, 2012, at Andrews Air Force Base, Md., marking the return to the United States of the remains of the four Americans killed this week in Benghazi, Libya. (AP Photo/Carolyn Kaster)

ASSOCIATED PRESS

Liliana Montenegro cries over the casket of her brother, U.S. Army Warrant Officer Jose Luis Montenegro Jr., after his body arrived Sunday, Sept. 16, 2012 at McCreery Aviation in McAllen, Texas. Montenegro was stationed at Fort Bragg, N.C. and was serving his third tour of duty overseas when his helicopter was shot down in Afghanistan's Logar province. Nearly 2,000 American troops have been killed in the conflict since the 2001 invasion. (AP Photo/The Monitor, Gabe Hernandez)

ASSOCIATED PRESS

President Barack Obama and Secretary of State Hillary Rodham Clinton walk back to their seats after speaking during the Transfer of Remains Ceremony, Friday, Sept. 14, 2012, at Andrews Air Force Base, Md., marking the return to the United States of the remains of the four Americans killed this week in Benghazi, Libya. Behind them at right is one of the flag draped transfer cases of the remains of the four Americans killed this week in Benghazi, Libya. (AP Photo/Carolyn Kaster)

ASSOCIATED PRESS

James Madison tight end Brian Barlow sits in the end zone after a pass intended for him was intercepted by West Virginia linebacker Tyler Anderson (53) during the second half of an NCAA college football game Saturday, Sept. 15, 2012, in Landover, Md. West Virginia won 42-12. (AP Photo/Alex Brandon)

AP

Atlanta Braves' Michael Bourn looks to home plate umpire Marvin Hudson as he beats the tag at home plate to score off a ground out by teammate Jason Heyward in the seventh inning of a baseball game against the Washington Nationals Sunday, Sept. 16, 2012, in Atlanta. (AP Photo/David Goldman)

ASSOCIATED PRESS

Vice President Joe Biden reaches out to hold four-month-old Simon Hamill from his dad Kyran, of Eau Claire, Wis. after Biden's campaign event, Thursday, Sept. 13, 2012, at the Zorn Arena on the University of Wisconsin-Eau Claire campus. (AP Photo/Stacy Bengs)

ASSOCIATED PRESS

Republican vice presidential candidate, Rep. Paul Ryan, R-Wis. serves some lasagna during a lunch with firefighters, Tuesday, Sept. 11, 2012, in Oak Creek, Wis. (AP Photo/Morry Gash)

ASSOCIATED PRESS

Cars pit during a caution flag in the IndyCar auto race at Auto Club Speedway in Fontana, Calif., Saturday, Sept. 15, 2012. (AP Photo/Reed Saxon)

ASSOCIATED PRESS

New York Giants' Martellus Bennett, left, celebrates with Ramses Barden (13) after Bennett scored a touchdown during the second half of an NFL football game against the Tampa Bay Buccaneers, Sunday, Sept. 16, 2012, in East Rutherford, N.J. The Giants won 41-34. (AP Photo/Bill Kostroun)