House Speaker Mike Johnson (R-Louisiana) is primarily driven by his survival instinct, according to an outgoing member of the House Republican Conference. In a recent interview with CBS News, Rep. Patrick McHenry (R-North Carolina) — who served as interim Speaker of the House last year after former House Speaker Kevin McCarthy (R-California) was stripped of the gavel — offered a frank analysis of the difficult situation McCarthy’s successor is facing. McHenry said Johnson has few palatable options to pursue ahead of the next two government funding deadlines on March 1 and March 8, and that he’…