Broken record

Deposed Citigroup chief executive Charles Prince probably didn’t mean it literally when he equated the credit boom to a musical dance. Prince may not have been a great banker, but boy was he prescient. Just this week, the company that brought easy-listening pap to elevators, Muzak, filed for bankruptcy; Sirius XM Satellite Radio began preparing its own Chapter 11 filing; and Clear Channel Communications, the nation’s largest radio station owner, tapped a last-resort credit line. What common ref...