The backers of the failed effort to draft Sen. Elizabeth Warren into a presidential bid claim that they helped provide much-needed liberal arguments to the Democratic primary. But if Sen. Bernie Sanders’ campaign has its way, they may also provide some liberal staffers too. The Vermont senator sees the now-defunct Run Warren Run campaign as an attractive talent pool as it ramps up its outreach efforts in Iowa. Today, Sanders has only two paid staff in the first-in-the-nation caucus state.