Dan Hesse’s White Room is closely guarded even within Sprint Nextel Corp. The chief executive officer carries the only key and draws black curtains over his scribblings before leaving. This is where Hesse retreats to map out “nukes” in red, blue and green ink, lately his tactics for stopping AT&T Inc.’s proposed takeover of T-Mobile USA.
“Clearly, purely, we want to win and block the merger,” said Hesse, during an interview at the company’s Overland Park, Kansas headquarters. “This one poses real risks.”