Although Democrats gained a decisive majority in the U.S. Senate on Tuesday, their hopes are fading for a filibuster-proof 60 seats.
Four hotly contested Senate races hang in the balance: Alaska, Georgia, Minnesota and Oregon.
Democrats needed to add nine seats to their current caucus of 51 (49 Democrats and two independents allied with them) to gain enough of a majority to push legislation through the Senate unimpeded. Read full article »
CNN's Joe Sterling and Ted Barrett contributed to this report.