Sources : Crowley 's exit was in the works for months , a MIT official says . Crowley says he takes responsibility for his remarks on Chelsea Manning . `` His service to country is motivated by a deep devotion to public policy and public diplomacy , and I wish him the very best . '' He made the comments in a talk last week at MIT . Manning is being held under suspicion that he leaked classified documents .
Sources : Crowley 's exit was in the works for months , a MIT official says . Crowley says he takes responsibility for his remarks on Chelsea Manning . He made the comments in a talk last week at MIT . Manning is being held under suspicion that he leaked classified documents .