California gay marriage ban overturned, appeal planned

SAN FRANCISCO (Reuters) - A U.S. appeals court on Tuesday found California's gay marriage ban unconstitutional in a case that is likely to lead to a showdown on the issue in the U.S. Supreme Court.

Victories revive Santorum's White House hopes

WASHINGTON (Reuters) - Former U.S. senator Rick Santorum rejuvenated his presidential hopes on Tuesday with overwhelming victories over front-runner Mitt Romney in Republican nominating contests in Missouri and Minnesota.

Attacks in Syria's Homs resume after Russian peace foray

AMMAN (Reuters) - Armored forces loyal to President Bashar al-Assad thrust deeper into the central city of Homs on Wednesday, firing rockets and mortar rounds to subdue opposition districts, activists said, a day after Russia said Assad wants peace.

Greeks seek elusive bailout deal as EU tempers fray

ATHENS (Reuters) - Greek parties will try yet again on Wednesday to strike a reform deal in return for a new international rescue to avoid a chaotic default, after a string of delays which have prompted some EU leaders to warn that the euro zone can live without Athens.

Romney's lead dips despite wins: poll

WASHINGTON (Reuters) - Despite his strong showing in early state contests in the race for the Republican U.S. presidential nomination, Mitt Romney's support nationwide has dipped slightly during the past month, according to a Reuters/Ipsos poll released on Tuesday.

Bernanke urges Congress to address Bush tax cuts

WASHINGTON (Reuters) - Federal Reserve Chairman Ben Bernanke on Tuesday warned Congress that putting off a decision on the fate of expiring Bush administration tax cuts could unsettle businesses and households, undercutting the U.S. economic recovery.

House panel advances Keystone pipeline plan

WASHINGTON (Reuters) - A plan to fast-track the stalled Keystone XL oil pipeline was passed by a key committee in the U.S. House of Representatives, as Republicans made yet another attempt to spur approval of the project that has become a major issue in the 2012 elections.

U.S. eyes cuts to Iraq embassy after troops exit

BAGHDAD (Reuters) - The U.S. government is looking to cut the size of its embassy in Iraq, by far its largest and most expensive mission, months after the last American troops withdrew, U.S. officials said Tuesday.

Analysis: More than just Great Firewall awaits Facebook in China

SHANGHAI (Reuters) - When it comes to China, Facebook should consider itself forewarned. Cracking the world's biggest internet population might seem an obvious ambition for the social networking giant as it trumpets its global growth before a $5 billion initial public offering, but the chances it will succeed look slim.

Komen VP steps down after Planned Parenthood flap

WASHINGTON (Reuters) - A senior executive of breast cancer charity Susan G. Komen for the Cure resigned on Tuesday, a week after the group became the target of a public furor for cutting funding to women's health organization, Planned Parenthood.