Sprint (NYSE: S) Nextel has named Dan Hesse, the CEO of Embarq, as its new President and CEO effective immediately. The announcement fills an opening created in early October when former CEO Gary Forsee resigned amid investor and board unrest. Hesse has served as CEO of Embarq since it was spun off in 2006. He also spent three years as the CEO of AT&T (NYSE: T) Wireless Services, as part of a 23 y