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Massachusetts Senate|By Jennifer Duffy, May 13, 2013

Last week we wrote that this special election contest between Democratic U.S. Rep. Ed Markey and Republican businessman Gabriel Gomez had gotten more interesting, but was not yet truly competitive. We may have spoken too soon. Yet another poll has come out showing the race in single digits. The OnMessage, Inc. (R) survey for the Gomez campaign (May 5-7 of 800 likely voters) gave Markey a t…

South Dakota Senate|By Jennifer Duffy, May 13, 2013

Democrats have had a rough few days in South Dakota. Although U.S. Attorney Brendan Johnson, son of retiring Democratic Sen. Tim Johnson, has not made a statement, the conventional wisdom is that he will not run for his father’s seat. And today, former U.S. Rep. Stephanie Herseth Sandlin wrote in a post on her Facebook page that she would not be a candidate. Herseth Sandlin was a favorite of m…

Massachusetts Senate|By Jennifer Duffy, May 9, 2013

For the past few months, the special election to fill the remainder of former Democratic Sen. John Kerry’s term has plodded along. It was as if the book on the race had already been written. U.S. Rep. Ed Markey would beat U.S. Rep. Steve Lynch for the Democratic nomination. He would then go on to defeat any of the trio of virtually unknown Republicans seeking the GOP nod in the June 25 special…

Montana Senate|By Jennifer Duffy, May 2, 2013

Democratic Sen. Max Baucus’ surprise decision to retire at the end of this Congress creates the sixth open seat for his party. It also provides Republicans with an opening that probably wouldn’t have existed if Baucus had run. Right now, both parties are working to recruit the strongest possible candidates into the race. For Democrats, that candidate would be former Gov. Brian Schweitzer. F…

Alabama Senate|By Jennifer Duffy, April 18, 2013

Republican Sen. Jeff Sessions is a good example of the challenges Democrats face this cycle in their quest to pick up GOP-held seats. First elected in 1996, Sessions has held the seat easily, and has amassed a very conservative voting record. He has done both in a deeply red state where the Democratic bench of potential challengers is almost non-existent, making their chances of mounting a comp…

Senate Dashboard

Seats Up in 2014 Toss Up Lean D Likely D Solid D Seats Up in 2016 Seats Up in 2018
Democrats (54) 21 3 7 5 5 10 24
Republicans (45) 14 0 0 5 10 24 8
Toss Up Lean R Likely R Solid R

Senate Race Ratings Map

Interactive Map

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  • At-A-Glance
    A listing of candidates and race ratings in all current Senate races. Updated weekly and printable for on-the-run reference.
    Updated 04:25 PM, May 13
  • Race Ratings
    The Cook Political Report's latest ratings for all competitive and potentially competitive Senate seats.
    Updated 04:23 PM, May 13
  • General Election Polls
    A selection of public opinion polling in Senate general election contests across the nation.
  • Primary Trial Heats
    A selection of public opinion polling in Senate primary election contests across the nation.
    Updated 02:15 PM, May 9
  • FEC Report
    A summary of key financial information filed by Senate candidates with the Federal Election Commission.
    Updated 02:43 PM, May 2
  • 2014 Battleground Chart
    2014 Senate Races: Romney Performance vs. Obama Performance
    November 12, 2012
  • 2012 Senate General Election Polls with Final Results
    A collection of polling data from the 2012 cycle, with final general election results included.
  • Two-Term Presidents: Post-WWII Partisan Trends
    Opposing party gains under and following second term presidents.
  • Senate Scatterplot
    The Cook Political Report Senate Scatterplot for Republican and Democratic held states by win percentage and PVI.
  • Senate: 2014 55% and Under Charts
    The chart below displays Senators up for reelection in 2014 who won with less than 55% of the vote in 2008.

Charlie Cook's Column

Virginia Omens

May 13, 2013

Republican Mark Sanford’s victory Tuesday in South Carolina’s 1st Congressional District tells us only one thing about the 2014 midterm elections—that Democrats still need to capture 17 seats to win back the House majority they lost in 2010. Nothing more, nothing less. Had Democrat Elizabeth Colbert Busch won the special election, all it would have demonstrated was that even in such an overwhe…

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South Carolina Special: The TV Ad Mix

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These charts combining Kantar Media CMAG broadcast television and NCC Media local cable data show a TV ad mix heavy on broadcast news in the morning but local cable at night.

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The Rhodes Cook Letter

The last issue of "The Rhodes Cook Letter" explored the idea that the Republicans are the "congressional party." This issue takes a look at the opposite - that the Democrats are the modern day "presidential party." The ongoing round of special congression

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Welcome to the new Cook Political Report

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