thank you philip rucker, carol leigh.nk you, all three. >> thank you. >> ifill: elections don't just give ususew elected officials, they also give us lots of information about the country. dante chinni of patchwork nation starts to analyze some of that data on the rundown. >> woodruff: beyond the presidential contest, voters tuesday chose members of congress and senators in a pitched battle for control. jeffrey brown has our story. >> brown: senate democrats had cause to celebrate last night and again today, when the last two races were called. montana senator jon tester kept his seat after a tough re- election fight and heidi heitkamp emerged the victor in a close race in north dakota. as a result, democrats will hold 53 seats in the new senate that convenes in january-- a gain of two. republicans will have 45. two seats will be filled by independents, and at least one of them will caucus with democrats. many of the democrats' big wins were by women. elizabeth warren unseated incumbent republican scott brown in massachus