Quick Study: Hangers-On In The C-Suite; Managing Across Borders; Avoiding Integration Landmines

*Passing the Baton: Relinquishing command is never easy, and may prove especially hard for baby boomers used to working hard in a fast-paced economy. Failed attempts at power

switches abound lately. J.C. Penney dismissed its COO in December after only five months because the newcomer couldn't learn the ropes fast enough to replace the vet. This month

last year, Viacom's Sumner Redstone dismissed chief executive Tom Freston eight months after his promotion.