The nonpartisan Congressional Budget Office has a new study of tax breaks in the tax code, and sure enough most of the biggest ones benefit the wealthiest taxpayers.

The former ambassador who led a review of the Benghazi consulate attack tells NPR he offered to testify at a House hearing but wasn't invited by Republicans.

Kentucky's junior senator, who gained a good deal of attention from a 13-hour anti-drone filibuster, is again making news related to the use of unmanned aerial vehicles. But now, the potential 2016 Republican presidential candidate is clarifying his statement that "I don't care" if a drone is used to kill a liquor store robber.

If it seems perplexing why an idea that has broad support nationally could fail to pass the U.S. Senate, here's an important reminder: The Senate is not a democratic institution. In fact, it was structured to give sparsely populated states the ability to stop the majority's will. And that's what happened on background checks.

Former South Carolina Gov. Mark Sanford is hoping to put a marital scandal behind him with a return to Congress in a May 7 special election. But just two days later, Sanford must defend himself from an accusation that he was at his ex-wife's house without her permission.

A majority in the U.S. Senate now supports gay marriage, but a handful of prominent Democrats still haven't joined their party on the issue.

The daughter of the Democratic political legend says she will run for Congress next year, taking on incumbent Republican Steve Southerland in a district that includes Tallahassee and part of Florida's panhandle

Two prominent Democrats, including a former Republican governor who recently switched parties, hold commanding leads over the unpopular Scott, according to a poll.

Jeb Bush got headlines last week when he opened the door to a presidential run, after years of insisting he was not interested. So it's of some note that when attendees at this week's Conservative Political Action Conference vote in the group's straw poll for 2016, they will not find his name on the ballot.

Rep. Paul Ryan's budget plan would repeal the Affordable Care Act. But the 2012 vice presidential nominee's dislike of the health care law doesn't appear to extend to the $800 billion in new taxes it raises over the next decade.

One of the most important events in the national gun violence debate takes place Tuesday far from Newtown, Conn., and Washington, D.C. And if the candidate backed by Michael Bloomberg wins, look for congressional candidates nationwide to start eyeing the New York City mayor and his superPAC

Crist served as a Republican governor, but during a Senate run, he fell out of favor with conservatives.

Mitt Romney's campaign hoped to close the book on tax questions when running mate Paul Ryan released two years of tax returns. Not quite. In reality, the differences between Romney and Ryan's taxes helps propel the debate further.