(CNN) -- Dueling ads over Obamacare will hit the airwaves this week, as a conservative group raises questions about the rollout of the president's sweeping health care reform, while a group on the other end of the political spectrum unveils a new TV spot seeking to defend the comprehensive program.

The State Department has dramatically cut its funding for social media after an inspector general's report found the department spent excessive amounts on advertising for some of its Facebook pages.

Striking union workers for San Francisco's transit system resume work Friday without a contract while negotiations continue, officials said.

University of Washington police arrest man and find Molotov cocktails, a ballistic vest and two allegedly stolen guns -- a scoped rifle and a shotgun -- in the bed of a stolen truck

Demonstrators flood Texas Legislature to protest attempts to pass a controversial abortion bill. Opponents say the bill would shut down most abortion clinics in Texas, denying access to many women in Texas.

The George Zimmerman trial, gavel to gavel. Zimmerman is charged with second-degree murder in the death of 17-year-old Trayvon Martin on February 26, 2012

A federal jury on Tuesday heard the voice of reputed Boston mob boss James "Whitey" Bulger in conversations recorded during visits by his family members since his incarceration in 2011

WASHINGTON (CNN) -- Former Arizona Congresswoman Gabby Giffords and her husband, Mark Kelly, are in Alaska Tuesday on the second stop of a week-long, seven state tour across the nation trying to build public support for enhanced background checks for gun purchases.

(CNN) -- The strike that shut down public transit in California's Bay Area is delivering a blow to the economy.

(CNN) -- Suburban New York mom Andrea Sanderlin, accused of running a massive marijuana operation from a warehouse in Queens, was released on $500,000 bail Monday after four acquaintances came to her aid.