The Democrats have captured majorities in both the Senate and House.They scored sweeping victories that reached deep into Republican strongholds as tens of millions of voters delivered a scathing rebuke to Trump.The size and breadth of the Democratic wave are still coming into focus, but the party prevailed in states long thought to be out of reach, including conservative bastions like South Carolina, Texas and Iowa.The Democratic wave underscored voters' deep frustration with Trump's stewardshi...