Elizabeth Warren speaks in October during a debate for the U.S. Senate seat in Massachusetts held by Republican Scott Brown. The race has become a contest of who is the "real" populist.
Mitt Romney greets Vietnam War veteran Bob Garon during a campaign stop at the Chez Vachon Restaurant on Monday in Manchester, N.H., where Garon, who is gay, questioned Romney about his position on gay marriage.
High school senior Jared Lyons (center), shown here with his parents, Kim and Bob, worries how he'll afford to achieve his dream of becoming a doctor. The economy, he says, "can't get any worse than it is now."
Courtesy of Kim Lyons
Carie Lemack lost her mother, Judy Larocque, in the Sept. 11 terrorist attacks. Ten years later, Lemack is on a first-name basis with Sen. John Kerry as part of her mission to raise awareness so that another Sept. 11 doesn't happen.
The Washington Post/Getty Images
A TSA employee being trained in behavioral pattern recognition watches passengers in line at Boston's Logan International Airport in 2010. This week, Logan will become the first U.S. airport to require every passenger to go through behavioral profiling.
Sean Mullin, CEO of BI2 Technologies, scans his own eye with the MORIS, or Mobile Offender Recognition and Information System. The device attaches to an iPhone and allows police in the field to scan a person's iris, face or fingerprint and then check it against a database to verify his or her identity.
Brianna Henderson and her brother Ian Henderson play on the Make Way for Ducklings statues in Boston. The bronze figures by sculptor Nancy Schon were installed in Boston's Public Garden in 1987.
Joe Raedle/Getty Images