Photos: Election day

SLIDER A sign directs people to a polling site in a school that is also serving as a donation site for victims of Superstorm Sandy in the Midland Beach section of Staten Island, New York, Tuesday, Nov. 6, 2012. Voting in a the U.S. presidential election was the latest challenge for the hundreds of thousands of people in the New York-New Jersey area still affected by Superstorm Sandy, as they struggled to get to non-damaged polling places to cast their ballots in one of the tightest elections in recent history. (AP Photo/Seth Wenig)

A sign directed people to a polling site in a school that is also serving as a donation site for victims of Superstorm Sandy in Staten Island. Seth Wenig/Associated Press

Photos: Election day

Alice Vu, 5, read “The Hungry Kitten,” while waiting outside a polling station on Lexington Avenue in Cambridge.

Wendy Maeda/Globe Staff | November 6, 2012

President Obama sat next to volunteer Carla Windhorst as he calls other volunteers during a visit to a campaign field office in Chicago.

President Obama sat next to a volunteer as he called other volunteers during a visit to a campaign field office in Chicago.

Jason Reed /Reuters | November 6, 2012

Mitt Romney waved to a crowd of supporters after voting in Belmont.

David L. Ryan/Globe Staff | November 6, 2012

SLIDER William Wright, left, and India Johnson, right, both freshman at ODU, wait on line to vote at Larchmont Elementary School in Norfolk, Va. on Tuesday, Nov. 6, 2012. Wright and Johnson, both 18 and from Richmond, were excited to cast their first votes in the Presidential election. (AP Photo/The Virginian-Pilot, Amanda Lucier)

Students at ODU waited in line to vote at Larchmont Elementary School in Norfolk, Va.

Amanda Lucier/The Virginian-Pilot via Associated Press | November 6, 2012

SLIDER U.S. Sen. Scott Brown, R-Mass., gets into his truck after voting in Wrentham, Mass., on Election Day, Tuesday, Nov. 6, 2012. Brown is facing Democratic candidate Elizabeth Warren for the U.S. Senate. (AP Photo/Gretchen Ertl)

Senator Scott Brown waved as he got into his pick-up truck after voting in Wrentham.

Gretchen Ertl/Associated Press | November 6, 2012

SLIDER Cambridge, MA., 11/06/12, Elizabeth Warren votes and greets supporters at the Graham and Parks School. Section: Metro Suzanne Kreiter/Globe staff

Elizabeth Warren greeted supporters at the Graham and Parks School.

Suzanne Kreiter/Globe staff | November 6, 2012

Lines were long outside a polling station in Boston's Chinatown.

Wendy Maeda/Globe Staff | November 6, 2012

Voting was brisk as the polls opened at a fire station on Lexington Avenue in Cambridge.

Wendy Maeda/Globe Staff | November 6, 2012

A sign directed people to a polling site in a school that is also serving as a donation site for victims of Superstorm Sandy in Staten Island.

Seth Wenig/Associated Press | November 6, 2012

Voters waited in line to cast their ballots in Miami.

Tim Chapman/The Miami Herald via Associated Press | November 6, 2012

SLIDER -Marina Shechtman fills out her ballot at a polling site in the Midland Beach section of Staten Island, New York, Tuesday, Nov. 6, 2012. Voting in a the U.S. presidential election was the latest challenge for the hundreds of thousands of people in the New York-New Jersey area still affected by Superstorm Sandy, as they struggled to get to non-damaged polling places to cast their ballots in one of the tightest elections in recent history. (AP Photo/Seth Wenig)

New York resident Marina Shechtman filled out her ballot.

Seth Wenig/Associated Press | November 6, 2012