The Obama administration wants to spend just over half a billion dollars on Alzheimer's research next year, hoping to battle back against what could become the defining disease of the aging baby-boom generation.

At a New York fundraising event Tuesday called "Runway to Win," President Barack Obama's re-election campaign plans to begin selling campaign-themed tote bags, T-shirts and accessories designed by more than two dozen famous designers.

President Barack Obama's campaign is asking top fundraisers to support a Democratic-leaning outside group that is backing the president's re-election bid, reversing Obama's opposition to "super" political action committees, which can spend unlimited amounts of cash to influence elections.

President Barack Obama's campaign is returning about $200,000 in contributions collected by family members of a Mexican casino owner who fled the U.S. after facing drug and fraud charges.

The United States and Japan are discussing a plan to transfer thousands of troops to Guam despite their failure to replace a major U.S. Marine base on the southern Japan island of Okinawa.

The suggestion is that everyone but the rich is losing ground, but some analysts say that's not true. 

More than 40 U.S. states have agreed to a nationwide settlement over foreclosure abuses.

Pulpits and pews are increasingly inflamed with talk of a war on religion after the Obama administration's recent decision on employers' birth control coverage.

Lawyers for Arizona Gov. Jan Brewer filed their opening brief with the U.S. Supreme Court in her appeal of a ruling that blocked enforcement of the most controversial sections of the state's immigration enforcement law.

The governor and his wife, in their first interview since Perry dropped out of the Republican presidential race, told Fox News that they regret not jumping into the race sooner, and Anita Perry hopes her husband will decide to run again.

A federal judge on Monday upheld the Texas law requiring women to have a sonogram before having an abortion, saying an appeals court had forced him to declare the law constitutional.

On the eve of the latest contests,  Mitt Romney, Newt Gingrich and Rick Santorum all visited Colorado on Monday, while Ron Paul campaigned in Minnesota. Both states will hold caucuses on Tuesday, and a primary is set in Missouri.

The Texas attorney general agreed Monday to temporary voting maps that would place two new congressional seats in Hispanic-dominated districts as part of a deal to preserve the already delayed primary elections in April. But several minority groups bristled at the compromise and vowed fight it.

New sanctions imposed by the U.S. on Iran are intended to ratchet up the pressure on Tehran -- and perhaps take down the temperature of Israel, which is clearly worried about Iran's accelerated pursuit of nuclear weapons.

A federal appeals court is ready to announce its ruling on whether California's same-sex marriage ban violates the constitutional rights of gays and lesbians.