BARACK OBAMA

U.S. President Barack Obama said on Sunday Muammar Gaddafi's rule was showing signs of collapse and called on the Libyan leader to relinquish power to avoid further casualties.

The Republican presidential nomination race is starting to take shape as one of the most captivating competitions and reality shows we've seen in years. Think America's Biggest Loser meets Extreme Makeover meets Jon and Kate Plus 8. Mitt Romney as a front-runner didn't do much for ratings, but Rick Perry and his Perryisms changed that. Now, Sarah Palin appears set to come on board as a leading cast member, and we already know from previous experience she's rarely a dull momen...

Libyan government tanks and snipers put up scattered, last-ditch resistance in Tripoli on Monday after rebels swept into the heart of the capital, cheered on by crowds hailing the end of Muammar Gaddafi's 42 years in power.

Karl Rove says former Alaska governor and VP presidential candidate Sarah Palin is more likely to run for President than not. In a Fox News interview Sunday, Rove said a video released on Friday by Palin's political action committee looked very pre-presidential. Rove is a former advisor to President George W. Bush and a key Republican activist and fundraiser, and Palin is a Republican as well.

Leaders around the world have reacted (mostly) favorably to news that Libyan rebels have captured the capitol city of Tripoli and have arrested two of Moammar Gadhafi’s sons.

Moammar Gadhafi's put up scattered, last-ditch resistance in Tripoli Monday after rebels swept into the heart of the Libyan capital, cheered on by crowds hailing the end of his 42-year rule.

Libyan government tanks shelled parts of central Tripoli Monday after rebels swept into the heart of the city and crowds took to the streets to celebrate the expected downfall of Muammar Gaddafi.

Even as Libyan dictator Moammar Gadhafi's grip on the country was slipping fast with rebels making headway into the center of Tripoli and international pressure on the four-decade ruler to step down reached its zenith, there are reports that Gadhafi's son Seif Al-Islam has been captured by the rebels while another son, Mohammed, has surrendered.

Rebel fighters swept into the heart of Tripoli Sunday night and crowds took to the streets to celebrate the impending fall of Muammar Gaddafi, but the dictator's loyalists were reported fighting back as dawn broke Monday.

Authorities arrested dozens of people on Sunday protesting outside the White House against a proposed $7 billion oil pipeline they oppose for environmental reasons.

U.S. President Barack Obama said on Sunday he expects to be judged in the 2012 election over his governance of the American economy, which he said was still not growing fast enough.

Jubilant rebel fighters swept into the heart of Tripoli Sunday night as Muammar Gaddafi's forces collapsed and crowds took to the streets to celebrate the apparent downfall of his 42-year rule.

A summary of all-things Washington for Monday, August 22, 2011.

Most Americans know the norm of postmodern Washington: Republicans oppose tax increases, and Democrats favor them -- unless it’s the payroll tax, which the GOP favors raising back to its normal level.

President Barack Obama, perhaps seeking a break from harsh reality after a tough summer battling the economy and Republicans in Congress, has picked a summer reading list that is long on fiction.

U.S. Vice President Joe Biden on Sunday rejected views that American power is waning and said Washington would never default, wrapping up a China visit that has played down tensions between the world's two biggest economies.

Explosions and gunfire rang out in Tripoli after dawn as opponents of Muammar Gaddafi rose up in the capital, declaring a final push to topple the Libyan leader after a six-month war reached the city's outskirts.

A vacationing President Barack Obama accused Congress on Saturday of holding back the economic recovery by blocking common sense measures he said would create jobs and help growth.

Two Americans held in Iran for more than two years have been convicted as spies and sentenced to eight years' jail, Iranian TV reported on Saturday, a verdict that will further strain already very poor relations with Washington.

Former state House speaker David Wilkins, who served as George W. Bush’s ambassador to Canada, and now a top Republican mover-and-shaker in South Carolina, gave Perry a rousing welcome.

Republican presidential candidate and Texas governor Rick Perry has shown a flair for putting his foot in his mouth -- or someone else's mouth. He suggested Fed Chairman Ben Bernanke is treasonous. He once suggested the BP oil spill might have been an act of God instead of corporate errors. Here's 10 things Perry might say if elected President.