Although that sort of mixing of fiscal and social conservatism may suit Iowans just fine, it represents a departure for the tea party movement that could threaten its brand and turn away voters who were drawn to its narrower message last year. With the political world focused on the state's first-in-the-nation caucuses for the next year, that could have a profound effect across the country on the tea party and the candidates courting it.
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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.