Vermont Sen. Bernie Sanders, an independent, speaks during a December 2012 news conference on Capitol Hill. Sanders said recently he'd consider running for president if no other progressive candidate steps up.
Jacquelyn Martin/AP
hide caption
Conservatives have criticized the new Internal Revenue Service rules for political dark money as an Obama administration attempt to gain political advantage.
Susan Walsh/AP
hide caption
New research suggests that increasing numbers of people want to live among those who share their politics. In this April 2010 photo, an aerial view of a Tucson, Ariz., housing development.
Charles Rex Arbogast/AP
hide caption
Voters in SeaTac, Wash., have narrowly approved a measure raising the minimum wage at its international airport, officials say. But the initiative faces several challenges, including a recount.
Elaine Thompson/AP
hide caption
Marine One, with President Obama aboard, lands at a Los Angeles park on Monday as part of Obama's three-day West Coast trip that combined fundraising and official business.
Pablo Martinez Monsivais/AP
hide caption
The U.S. Supreme Court has agreed to take another case involving the Affordable Care Act, this time a challenge to the provision that for-profit companies that provide health insurance must include contraceptive coverage in their plans offered to employees.
Saul Loeb/AFP/Getty Images
hide caption
Cigarette packs are displayed at a convenience store in New York City, which has raised the age to buy cigarettes from 18 to 21.
Mark Lennihan/AP
hide caption
