Senate Majority Leader Sen. Harry Reid of Nev., center, is recognized by Senate Banking Committee Chairman Sen. Christopher Dodd, D-Conn., right, during a health care news conference on Capitol Hill in Washington, Wednesday, Dec. 23, 2009. At left is Senate Health, Education, Labor and Pensions Committee Chairman Sen. Tom Harkin, D-Iowa.  (AP Photo/Manuel Balce Ceneta)AP – 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 the country’s history.