MIAMI (Reuters) - World number one Serena Williams has pulled out of next week's Sony Ericsson Open due to a knee injury, organizers said on Friday. The American's withdrawal is another blow to the tournament after former Wimbledon champion Maria Sharapova and world number two Dinara Safina had already pulled out. Williams has won the Key Biscayne event five ...

WASHINGTON (Reuters) - U.S. senators charged with crafting rules to regulate the $450 trillion over-the-counter derivatives market have failed to reach an agreement, Democratic Senator Jack Reed said on Friday. Reed and Republican Senator Judd Gregg had been trying to write rules to shed light on the private swaps market but disagreed on which parties should be allowed exemptions. "We ...

NEWBURYPORT, Mass (Reuters Life!) - On a recent frigid morning, winds howling in from the west, David Weaver peered through binoculars over the Merrimack River in Massachusetts, scanning for an icon: the American bald eagle. Haliaeetus leucocephalus, America's national bird, is frequently seen in winter in the Joppa Flats area, where the Merrimack widens and meets the churning Atlantic Ocean ...

WASHINGTON (Reuters) - President Barack Obama will travel to Capitol Hill on Saturday to meet with Democrats in the House of Representatives on the eve of that chamber's expected vote on a healthcare overhaul, the White House said on Friday. The meeting is scheduled for 3 p.m. The administration said earlier that more than 250 Democrats had been invited ...