The Pentagon is enlisting Dana Deasy, a longtime corporate executive known for pushing large companies to embrace innovation, to tackle some of the Defense Department's most pressing technology challenges, including cloud computing. While the Pentagon declined to comment on Deasy's exact role, sources with knowledge of the appointment expect it to be announced today. Deputy Defense Secretary Patrick Shanahan first referenced the appointment last week, when he said Deasy would be joining DOD to tackle its IT challenges. "He managed...