The Lowdown on the Lehman Shuffle

The beleaguered investment bank ousts Erin Callan from the CFO slot and Joseph Gregory as COO. Will the moves pacify its critics?

By Ben Levisohn

Heads usually roll on Wall Street when the going gets ugly, and this time is no exception. On June 12, Lehman Brothers Holdings (LEH) ousted its highly visible chief financial officer, …