Reporting from Washington -- Defying his reputation as a 1950s square, the new, more casual Mitt Romney is popping up around the country as he readies a second run for president. He's going tieless on network TV, strolling NASCAR pits in Daytona and sporting skinny Gap jeans bought for him by his wife.
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33 out of 100 seats are up for election. 51 are needed for a majority.
|Seats gained or lost||+2||-2|
* Includes two independent senators expected to caucus with the Democrats: Angus King (Maine) and Sen. Bernie Sanders (Vt.).
All 435 seats are up for election. 218 are needed for a majority.