Maine caucus win gives Romney new momentum

Sarah Palin wows CPAC. But has the race for the White House moved beyond her?

6:59 pm ET - Sarah Palin energized the crowd of activists at the Conservative Political Action Conference Saturday. She has yet to endorse a GOP presidential candidate, which keeps her in the game.

CPAC: After a tough week, Romney wins conservative straw poll

6:29 pm ET - Mitt Romney won the CPAC straw poll of conservative activists Saturday. It doesn't bring him any convention delegates, but it does show good standing among the Republican Party base.

Europe's Internet revolt: protesters see threats in antipiracy treaty

11:04 am ET - Anger over proposed antipiracy treaty ACTA was expected to bring thousands to Europe's streets today. Supporters say it will better protect intellectual labor, while opponents see free speech threats. 

Ode to conservatism at CPAC, Romney-style

9:19 am ET - For Mitt Romney, the Conservative Political Action Conference was a bit of a lion's den. Romney is seen as the moderate in the presidential race, which is why he stressed his conservative credentials.

Can birth-control flap rekindle 'repeal ObamaCare' crusade?

9:18 am ET - Republicans see the surge in support for religious freedom as an opening to overturn President Obama’s signature health-care reform. Conservatives are not likely to let the issue go lightly.

Myanmar's former political prisoners weigh next steps ahead of polls

9:19 am ET - As Myanmar prepares for April 1 parliamentary elections, many former political prisoners are deciding how to continue their activism.

Could talks over Iran nuclear crisis work? Turkish diplomat offers hints.

3:02 pm ET - Turkey's foreign minister, in the US to discuss Syria and the Iran nuclear program, insists that the time for negotiations with Iran is not passed – and says Iran is willing to talk.  

The Greek debt conundrum, explained

4:04 pm ET - The Greek parliament will vote on further austerity measures Sunday – the latest effort to alleviate a crisis that has careened between an EU bent on austerity and a resistant Greek public.

Miramonte sex abuse: Schools facing Catholic Church-like wave of scandal?

8:03 pm ET - The Miramonte School scandal could be a wakeup call about the prevalence of sexual abuse in schools nationwide, experts say – adding that scandals could sweep though education world the way they did though the Catholic Church. 

Pressure for Western intervention in Syria builds with fresh assaults (+video)

8:53 am ET - A Syrian Army invasion of opposition neighborhoods in Homs is seemingly imminent and explosions rocked the northern city of Aleppo today.

• If US wants to act in Syria, Turkey could be crucial ally

Red Planet meets red ink: budget ax could chop two NASA Mars missions

5:12 pm ET - The budget to be released by President Obama Monday is expected to include a one-third cut in NASA's Mars program, in part to pay for other cost overruns within the agency.

Helpers in a hostile world: the risk of aid work grows

10:15 am ET - Some 242 aid workers were killed in 2010, up from 91 a decade before. Is 'humanitarian space' shrinking, or are aid groups spreading out to more conflict zones than before?

• Africa Monitor: Rapper 50 Cent joins battle against Somali hunger

Jerry Sandusky case: Should court let suspected pedophile see grandkids?

6:21 pm ET - Trial is set for May 14 for Jerry Sandusky, the former Penn State football coach charged with sexual abuse of 10 boys. His bail conditions bar interaction with minors, but he wants the court to let him talk with and see his grandchildren. 

Nazi flag incident puts culture of Marine snipers in spotlight

4:30 pm ET - The photo of Marine snipers in Afghanistan posing in front of a Nazi flag has prompted the top Marine officer to start a review of sniper protocol and training.