It hasn't been pretty--often, it's been quite ugly--but after racking up three more primary wins in Wisconsin, Maryland, and Washington, DC, on Tuesday, Mitt Romney has almost guaranteed that he will become the first Mormon presidential nominee from a major party.
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.