The CNBC executive who oversaw the disastrous Republican presidential debate is a former Clinton White House staffer, Breitbart News has learned. Brian Steel, senior vice president of communications at CNBC, was the second highest-ranking network official at Wednesday night’s debate in Colorado after only CNBC CEO Mark Hoffman. Steel was described by an insider as the “executive on hand†for the debate, which was marked by the moderators’ partisan attacks and gotcha questions for the Republican candidates. Brian Steel worked in Bill Clinton’s White House as a domestic policy adviser to Vice President Al Gore. His White House gig was...