Senate Conservatives Fund targets Burr, Graham, Alexander

The Senate Conservatives Fund is going up with a small radio ad buy against Sen. Richard Burr (R-N.C.) -- a sign that conservative groups may target Burr for denouncing their Defund Obamacare campaign.

The SCF ad buy is about $40,000 and attacks Burr for labeling Defund Obamacare the "dumbest idea I've ever heard."