Incumbent Rep. Mike Thompson departs the U.S. Capitol Building on March 5, 2026 in Washington, DC. Photo by Anna Moneymaker/Getty Images. Blue Dog Action Fund, the super PAC spending arm for a fiscally conservative caucus of House Democrats, has already spent $1,200,000 in ad buys backing Rep. Mike Thompson’s bid for reelection this cycle while he sits as treasurer of the Blue Dog Political Action Committee, an affiliated organization that also contributed $5,000 directly to his campaign.