BARACK OBAMA

It's fair to say the 2012 presidential election can be a dog-eat-dog world sometimes. A new development in the Twitter universe of he-said-she-said political discourse has taken that to a whole new level.

Republicans in the U.S. Senate are filing a friend-of-the-court brief in a lawsuit to challenge the constitutionality of U.S. President Barack Obama's controversial recess appointments.

Concerning the rhetoric coming from the White House recently, much of the punditry has found itself shocked and alarmed.

The CEO of the biggest oil company in one of the world's fastest-rising economies thinks high oil prices are here to stay.

U.S. greenhouse gas emissions increased in 2010, ending a two-year decline. The EPA attributed the increase to an upturn in the economy.

Back in October, the Speaker said he wouldn't support anyone in the race until the general election, in order to give each of the candidates a fair shot. The country is still months away from the convention, but Boehner's endorsement unofficially seals the deal: the Republican establishment wants Romney to be the nominee.

A new study from the Sunlight Foundation shows that big corporations have an outsize effect on taxation policy in the United States.

President Barack Obama on Tuesday called on Congress to pass a series of measures that would help limit what he called speculation that's driving up the price of oil and gasoline.

Even as donors and party leaders coalesce behind Mitt Romney, the probable Republican nominee is having a hard time getting voters to like him.

Calls are mounting for Republicans to denounce right-winged rocker Ted Nugent's suggestion that he'd kill President Obama as the Secret Service says they're looking into the matter.

The 30 Rock actor and political and arts activist told Bloomberg TV's Betty Liu on Tuesday that he is still open to the idea of running for mayor one day, despite ruling out a 2013 campaign a few months ago.

Cutting government programs is favored as the way to reduce the budget deficit by more than twice as many Americans as those who favor raising taxes, said a Reuters/Ipsos poll.

Mitt Romney hopes to raise $800 million in conjunction with the Republican National Committee, raising the prospect of a presidential election that shatters previous fundraising records.

The prostitution and misconduct allegations involving the Secret Service widen as the agents under investigations have reportedly lost their security clearances. Moreover, the number of military personnel accused of being involved in the scandal has doubled.

President Barack Obama will announce a plan on Tuesday to increase oversight and crack down on oil market manipulation, the White House said.

The US Secret Service prostitute scandal has caused much embarrassment to President Barack Obama and completely tarnished his recent major international summit in Cartagena.

Afghan President Hamid Karzai said Monday that Sunday's coordinated Taliban attack on Kabul showed a failure by Afghan intelligence and especially by NATO, while Washington signaled the Haqqani group of militants was responsible.

President Barack Obama's lead over Mitt Romney has narrowed to 4 percentage points from 11 points a month ago, now that Romney has established himself as the probable Republican nominee, a Reuters/Ipsos poll released Monday finds.

Senate Republicans on Monday afternoon blocked President Barack Obama's Buffett Rule legislation, which would have put a 30-percent minimum tax on millionaires.

Lord Nazir Ahmed was suspended from the Labour party Monday after reports surfaced that the Muslim life peer offered a bounty for the capture of President Obama and former president George W. Bush.

The Republican Party's diminished standing among Latino voters could be a fatal weakness come November, likely presidential candidate Mitt Romney said at a closed-door fundraiser on Sunday.