Mullin faces Senate panel for DHS confirmation hearing: What to watch

Sen. Markwayne Mullin (R-Okla.) is set to appear on the other side of the dais on Wednesday, fielding questions from his colleagues as he faces the confirmation process to lead the Department of Homeland Security (DHS).  Mullin will sit before the Senate Homeland Security and Governmental Affairs Committee, whose chair, Sen. Rand Paul (R-Ky.), Mullin…