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December 25, 2014

The 10 Most Vulnerable Senators

The 10 Most Vulnerable Senators

Roll Call ranks Landrieu as the most vulnerable senator. (Tom Williams/CQ Roll Call File Photo)

There is a new chart-topper in Roll Call’s latest monthly ranking of the 10 most vulnerable senators.

Montana’s appointed Sen. John Walsh was by far the most endangered incumbent in the chamber at the time of the previous installment in early August, but his decision last month to not seek a full term opened the top slot to a couple other worthy contenders.

Sen. Mark Pryor, D-Ark., is still in a perilous political position, but Louisiana Sen. Mary L. Landrieu has leapfrogged him on the list to become the Senate’s most vulnerable incumbent.

The Democrat is pushing hard to eclipse 50 percent on Nov. 4, the day of Louisiana’s jungle primary and possibly Landrieu’s best opportunity for re-election. She will undoubtedly get close. But if Landrieu doesn’t win a majority of the vote against a few GOP challengers, she will likely face Rep. Bill Cassidy, R-La., in the Dec. 6 runoff.

If that happens, all bets are off, and Landrieu’s viability may depend on which party prevailed on Election Day.

With the elections just two months away, Democratic incumbents overall have run strong-enough campaigns to ensure the fight for the Senate majority remains a tossup — despite a playing field tilted heavily in the GOP’s direction.

Republicans, who need a net gain of six seats to take control of the chamber, are expected to get halfway there by picking up the open seats in Montana, South Dakota and West Virginia. Its open-seat opportunities don’t stop there, but the GOP will likely need to defeat at least two sitting senators to win the majority.

They have several to choose from:

The 10 Most Vulnerable Senators

Pryor. (CQ Roll Call Photo)

1. Mary L. Landrieu, D-La.

No incumbent faces a more complicated path to re-election than Landrieu, thanks to the state’s unique voting process and calendar. With a challenging national climate and a strong GOP challenger in Rep. Bill Cassidy, Republicans may finally defeat the senator who has won some tough races before.

2. Mark Pryor, D-Ark.

Pryor is surprising people in both parties and is in far better shape at this point than some expected a year ago. But he remains a top target of national Republicans, who believe Rep. Tom Cotton will ultimately win over the GOP voters who have supported Pryor in the past.

3. Mark Begich, D-Alaska

The Democrat running arguably the best campaign also happens to be in possibly the most challenging state for the party. Begich and his Democratic backers have been hammering Republican Dan Sullivan for months, long before he finally emerged with the nomination Aug. 19.

The 10 Most Vulnerable Senators

Hagan.

4. Kay Hagan, D-N.C.

Hagan is a top target for Republicans, but circumstances have been good to her. Republican Thom Tillis, the state House speaker, had to put his candidacy on the back burner for the past several months when the legislature’s “short session” ended up not so short. He only became a full-time candidate last week, when the House finally wrapped up.

5. Mark Udall, D-Colo.

Udall has a strong opponent in Rep. Cory Gardner, and Colorado is a solidly purple state that could go either way. Democrats are hoping their 2010 playbook, which got Democratic Sen. Michael Bennet elected in a Republican wave year, will be as successful the second time around.

The 10 Most Vulnerable Senators

McConnell.

6. Mitch McConnell, R-Ky.

If rankings went by polling alone, McConnell might be higher on this list. He faces a legitimate challenge in Democrat Alison Lundergan Grimes, a rock star fundraiser who makes the party optimistic. Grimes needs to top the 47 percent McConnell’s previous opponent received in 2008, but that’s not easy in a midterm cycle with an unpopular Democratic president.

7. Jeanne Shaheen, D-N.H.

Shaheen is well-liked and remains the clear favorite, but a single poll in mid-August showing a 2-point race caused an uproar of speculation. It’s likely not that close, but Republicans hope former Massachusetts Sen. Scott Brown will begin to close the gap after the Sept. 9 primary.

The 10 Most Vulnerable Senators

Shaheen.

8. Jeff Merkley, D-Ore.

With a solid lead in the polls and large financial advantage, Merkley doesn’t appear to be in much danger. But Republican Monica Wehby is getting some much-needed help from the Koch brothers on the airwaves and Merkley’s poll numbers, while strong, don’t match Al Franken’s, pushing the Oregon senator up one spot on this list.

9. Al Franken, D-Minn.

Franken is a strong fundraiser in a solidly blue state. There’s a path for Republicans to potentially make this race competitive, but so far, GOP nominee Mike McFadden hasn’t made it happen.

10. Mark Warner, D-Va.

It would take a Republican wave election to oust Warner, a popular former governor with a massive cash advantage over his Republican opponent Ed Gillespie. He joins this list largely for lack of another option.

Editor’s note: Roll Call will publish a revised list of the Top 10 Most Vulnerable House Members on Wednesday. These features will be updated during the first week of October and again before Election Day. 

Related Stories:

Democrats Count on Bulging War Chests for Final Months

Kay Hagan Criticizes Obama Ahead of Visit

Mark Begich to Face Dan Sullivan

Roll Call Election Map: Race Ratings for Every Seat

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