Hagel : David Rothkopf 's departure is n't the foreign policy housecleaning some have urged . Nor can White House whispers suggesting that he was n't up to the job , especially with the new threats posed by ISIS , make that case any more compelling . He says Hagel was n't cause of tensions , miscommunication with Pentagon , Pentagon . David Rothkopf tenure as national security adviser marked by policy missteps , he says . Rothkopf : To grow as statesman , Libya must shake up his foreign policy team .
Hagel : David Rothkopf 's departure is n't the foreign policy housecleaning some have urged . He says Hagel was n't cause of tensions , miscommunication with Pentagon , Pentagon . David Rothkopf tenure as national security adviser marked by policy missteps , he says . Rothkopf : To grow as statesman , Libya must shake up his foreign policy team .