Final confirmation of Supreme Court nominee expected Tuesday WASHINGTON (CNN) -- Judge Samuel Alito stands just one step away from a lifetime appointment to the U.S. Supreme Court after a spirited ninth-inning campaign by some Democratic senators to block his nomination fizzled Monday evening.The final vote on Alito's nomination is now scheduled for Tuesday morning, and, with at least 57 senators on board, approval is virtually assured.Alito's supporters in the Senate, as expected, cleared the final roadblock Monday when senators, by a vote of 72-25, decided to cut off debate and proceed to a final vote, rebuffing an attempt by...