Thinking, inside the box (@timeshighered)

Richard Klein, who became BBC Four's controller at the end of 2008, is always on the lookout for new ideas. "We appeal to viewers who have curious minds, and we reach parts of their brains other channels don't reach," he says. "We are always interested in covering mainstream subjects, but we go in deep. One of the natural places to look for people who have a credible, authoritative position and who can argue a strong…