President Obama's exchange of an American military prisoner for assorted Taliban terrorists has severe legal problems.

Not a partisan political source

LOUIS RENÉ BERES was educated at Princeton (Ph.D., 1971), and is author of many books and articles dealing with international criminal law. Dr. Beres was born in Zürich, Switzerland, on August 31, 1945

Obama has violated international law according to this source.   Also according to this source, the Bergdahl angle itself is a minor consideration.,  The focus should be on the five terrorists.