NEW YORK/WASHINGTON (Reuters) - U.S. lawmakers and President George W. Bush eased pressure on financial markets on Tuesday by starting work to revive a $700 billion bailout plan to stem a credit crisis that has spread beyond Wall Street to claim more European banks.

NEW YORK (Reuters) - Wall Street roared back on Tuesday, a day after its worst sell-off in 21 years as investors bet Washington would revive a plan to stabilize the U.S. financial sector following its surprising defeat on Monday on Capitol Hill.

RENO, Nevada (Reuters) - White House contenders Barack Obama and John McCain sought to persuade skeptical Americans on Tuesday to back a $700 billion Wall Street bailout plan, warning they face economic calamity if there is no deal.

WASHINGTON (Reuters) - A former oil services company executive said on Tuesday at the corruption trial of U.S. Republican Senator Ted Stevens that he gave his longtime friend a good deal in a car swap and bought a generator for the lawmaker's home in Alaska.

NEW YORK (Reuters) - New York City Mayor Michael Bloomberg will seek a third term next year, believing the Wall Street crisis is so grave that a law barring him from running again should be altered, The New York Times reported on Tuesday.

WASHINGTON (Reuters) - The top Democrat and top Republican in the Senate on Tuesday promised swift action to pass a bipartisan financial rescue plan that the White House says is vital to protect all Americans as well as Wall Street.

CINCINNATI (Reuters) - Auto salesman Ryan Thomas is watching the credit crisis hit Main Street America. On Monday, as Congress rejected a bailout plan and stock markets plummeted, Thomas had to turn away a customer with $3,000 in his hand who wanted to buy a new vehicle.

TBILISI (Reuters) - European Union observers begin monitoring a ceasefire between Russia and Georgia on Wednesday after a brief war in August, though without access yet to the Russian-controlled conflict zone.

WASHINGTON (Reuters) - A new AIDS vaccine research center dedicated to solving one of the stickiest problems holding back development of such a vaccine will open in California, researchers announced on Tuesday.

VIENNA (Reuters) - The head of the U.N. nuclear watchdog said on Tuesday its failure to detect nuclear arms work in Saddam Hussein's Iraq in the 1980s showed his inspectors lacked authority to pre-empt proliferators.