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A 2010 U.S. Supreme Court decision opened the door to unlimited spending on elections. Did all that money have an impact on who won?
Here are the 10 most popular general elections in the U.S. Senate and House among super PACs and nonprofits and the results of those elections.

(Results through 10 a.m. ET Thursday on races called by AP.)

NATIONAL

RankRaceNameTotal outside spending**% NegativeCandidate spendingWinner
1PresidentBarack Obama (D)*
Mitt Romney (R)
$141.5 million
$408.5 million
68.9%
80.5%
$540.8 million
$336.4 million
Obama

SENATE

RankRaceNameTotal outside spending**% NegativeCandidate spendingWinner
1VirginiaTim Kaine (D)
George Allen (R)
$21 million
$29.8 million
88.6%
93.9%
$18.6 million
$11.5 million
Kaine
2WisconsinTammy Baldwin (D)
Tommy Thompson (R)
$21.6 million
$18.2 million
87.6%
85.5%
$11.7 million
$6 million
Baldwin
3OhioSherrod Brown (D)*
Josh Mandel (R)
$14 million
$20.7 million
84.3%
80.0%
$19.5 million
$12.9 million
Brown
4IndianaJoe Donnelly (D)
Richard Mourdock (R)
$12 million
$16.3 million
95.9%
74.6%
$3.8 million
$6.8 million
Donnelly
5NevadaShelley Berkley (D)
Dean Heller (R)*
$14.6 million
$13.1 million
90.7%
94.0%
$10.2 million
$7.6 million
Heller
6MontanaJon Tester (D)*
Denny Rehberg (R)
$12.8 million
$11.9 million
87.3%
97.0%
$11.6 million
$7.2 million
Tester
7ArizonaRichard Carmona (D)
Jeff Flake (R)
$8.6 million
$11.7 million
98.4%
68.6%
$4.3 million
$6.7 million
Flake
8FloridaBill Nelson (D)*
Connie Mack (R)
$4.8 million
$15.2 million
76.2%
64.0%
$12.5 million
$6.3 million
Nelson
9North DakotaHeidi Heitkamp (D)
Rick Berg (R)
$8.5 million
$7.6 million
88.1%
78.0%
$4.1 million
$4.7 million
Heitkamp
10MissouriClaire McCaskill (D)*
Todd Akin (R)
$8.2 million
$2.8 million
81.2%
40.0%
$17.4 million
$4.6 million
McCaskill

* incumbent

HOUSE

RankRaceNameTotal outside spending**% NegativeCandidate spendingWinner
1PA-12Mark Critz (D)*
Keith Rothfus (R)
$4.1 million
$6 million
76.4%
76.3%
$2.1 million
$1.5 million
Rothfus
2OH-16Betty Sue Sutton (D)
Jim Renacci (R)*
$5.2 million
$4.6 million
96.6%
97.0%
$1.6 million
$2.5 million
Renacci
3MN-8Rick Nolan (D)
Chip Cravaack (R)*
$5.1 million
$3.9 million
90.8%
95.2%
$536,000
$1.2 million
Nolan
4IL-17Cheri Bustos (D)
Bobby Schilling (R)*
$4.3 million
$4.6 million
94.3%
95.6%
$1.4 million
$1.9 million
Bustos
5CA-7Ami Bera (D)
Dan Lungren (R)*
$5.3 million
$2.9 million
90.0%
99.2%
$2.7 million
$1.7 million
Bera
6CA-52Scott Peters (D)
Brian Bilbray (R)*
$3.6 million
$4.6 million
97.0%
87.1%
$3.5 million
$2.1 million
Peters
7CA-10Jose Hernandez (D)
Jeff Denham (R)*
$3.6 million
$4.4 million
93.4%
97.5%
$1.4 million
$2.2 million
Denham
8TX-23Pete Gallego (D)
Francisco Canseco (R)*
$4.5 million
$2.8 million
94.2%
95.5%
$1.5 million
$1.9 million
Gallego
9IL-12Williams Enyart (D)
Jason Plummer (R)
$3.2 million
$4.2 million
88.5%
95.3%
$733,000
$903,000
Enyart
10IL-11Bill Foster (D)
Judy Biggert (R)*
$2.5 million
$4.7 million
99.5%
71.1%
$1.8 million
$1.7 million
Foster

* incumbent

** Total represents combination of outside spending supporting candidate and outside spending opposing candidate’s opponent.


Source: Center for Responsive Politics, Federal Election Commission, Center for Public Integrity analysis. Expenditure totals for 2012 election through Nov. 5. Candidate spending totals through Oct. 17.


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