Obviously this revelation becomes a serious political risk to the White House.  However, it should come as no surprise given the history of the Qatari government.  In addition to providing sanctuary for the Gitmo-5, Qatar was the safe harbor for the leadership of the Muslim Brotherhood until they were pressured to stop (by Egypt and the Gulf Arab states) – the Brotherhood leaders then left Qatar for Turkey.

Washington (CNN) – The U.S. military and intelligence community now suspect that one of the five Taliban detainees released from Guantanamo Bay in return for Sgt Bowe Bergdahl in May of last year has attempted to return to militant activity from his current location in Qatar, CNN has learned exclusively. The development has led to an ongoing debate inside the administration about whether there is a new threat from this man, and potentially the other four.
This is the first known suggestion that any of the detainees involved in the exchange may be trying to engage again in militant activity. It comes at a politically sensitive time as the administration has quickened the pace of prisoner release in an effort to encourage the closure of the facility, and the Army must decide in the coming weeks whether and how to punish Bergdahl for leaving his post.
Several U.S. officials across different agencies and branches of the U.S. government have confirmed key details to CNN. The White House referred CNN to the Pentagon, and the Pentagon has declined to comment on the matter. (read more)
It is worthwhile to remember the position of Hillary Clinton on the Gitmo Detainees released by President Obama: