WASHINGTON -- Senate Democrats are poised to pass a landmark health care bill that could define President Barack Obama's legacy and usher in near-universal medical coverage for the first time in U.S. history. Ahead lie complex talks with the House to reach final legislation in the new year. "We stand on the doorstep of history," said Senate Majority Leader Harry Reid, a Nevada Democrat. "We recognize that, but much more importantly, we stand so close to making so many individual lives better." The vote Thursday on the bill extending health care coverage to some 31 million uninsured Americans brings Obama...