Frequently seen but rarely heard, Callista Gingrich made her first solo campaign appearance in her husband's home state of Georgia on Saturday, dipping a toe into the sometimes rough waters of life as a public-campaign wife.
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.