Back in the heat of summer, T-Mobile USA's then CEO Philipp Humm resigned to take up the mantle at Vodafone. In the interim, former COO Jim Alling stepped up to keep the chair warm while a permanent replacement was found. Today we learn that John Legere, former CEO of Global Crossing, will relieve Alling of those duties, and fill the top spot full-time. With 32 years experience in the industry, Legere also spent time at Dell as president of Europea
