TAMPA, FLA. -- After accepting his party's nomination Thursday at the Republican National Convention, Mitt Romney's campaign will narrow its focus in Colorado -- rallying conservatives, touting energy independence and eschewing social-conservative branding, according to interviews with Romney strategists and Colorado operatives.
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.