Americans for Prosperity, the Koch-backed Republican group, is again going up with an ad thanking Rep. Steve SoutherlandWilliam (Steve) Steve SoutherlandRules for male candidates MORE (R-Fla.) for his work opposing ObamaCare, another indication of just how tough his reelection fight will be.


The ad declares that Southerland “has it right [on healthcare]— he puts us first, not special interests.” It features clips of Southerland speaking out against the law on the House floor and urges viewers to call the congressman to thank him for his work on the issue.

AFP has previously launched ads to the same effect to boost Southerland. Their efforts reflect the fact that he’s one of the GOP’s most vulnerable incumbents this cycle, and Democrats have a top-tier contender for the seat in Gwen GrahamGwendolyn GrahamJimmy Buffett takes musical shots at Trump during concert Jimmy Buffett hosting free Florida concert to support Gillum, Nelson Overnight Energy: Warren bill would force companies to disclose climate impacts | Green group backs Gillum in Florida gov race | Feds to open refuge near former nuke site MORE, the daughter of former Florida Senator Bob Graham.

She released an internal poll earlier this month that showed her statistically tied with Southerland, taking 40 percent to his 42 percent support.