FDA Will Face Reforms, Oversight In Republican Congress, Analysts Say-thegraysheet: At least eight seats in the Senate were considered toss-ups, and candidates ran many tight races in the 2014 election. But by day’s end Nov. 4 the Republican party had captured Senate chairs up for grabs in Arkansas, Colorado, Iowa, Montana, North Carolina, South Dakota and West Virginia, adding up to 52 seats they will command in the 2015-16 congressional session. Also, the GOP captured an additional 10 House seats, solidifying their control of that chamber.