House Republicans have introduced their version of a bill to ban insider trading by thousands of federal officials, and have added provisions to bar lawmakers convicted of a felony from collecting their government pensions.

The Republican-led House is trying Wednesday to give President Barack Obama the line-item veto, a constitutionally questionable power over the purse that has been sought by both Republican and Democratic presidents.

A resurgent Rick Santorum won Minnesota's Republican caucuses with ease Tuesday night, relegating GOP front-runner Mitt Romney to a distant third-place finish that raised fresh questions about his ability to attract ardent conservatives at the core of the party's political base.

President Barack Obama is urging his top fundraisers to support a Democratic super political action committee which can spend unlimited amounts of cash to influence elections.

Republican presidential front-runner Mitt Romney cruised to victory in the Nevada caucuses Saturday night, notching a second straight triumph over a field of rivals suddenly struggling to keep pace.

The stronger the economy gets, the more the presidential race comes down to what voters believe: Are things actually getting better? Or is it all still a mess?

Just how rich is Mitt Romney? Add up the wealth of the last eight presidents, from Richard Nixon to Barack Obama. Then double that number. Now you're in Romney territory.

Illinois State University President Al Bowman says President Barack Obama's proposal to tie federal support to tuition controls is a product of "fuzzy math." His counterpart at the University of Washington calls it little more than "political theater."