we begin tonight with the growing backlash over the release of sergeant beau berghdal. again, president obama was on the defensive today, as members of congress question the deal that freed him, as well as five taliban prisoners from guantanamo. and there are reports that he walked away from his military duties before. jonathan bets is here with that story. >> john, today president obama pushed back on the controversial making no apologies this has claimed emerge the young soldier had a habit of leaving his post. it is a long road home event. new claims today the young soldier has wandered off bases before, in california, and afghanistan according to a secret military report obtain bed i the new york times. sometimes it says he wanted to see a sun rise, or test how far he could go. but he always came back. it is very unnerving to be a prisoner. >> so it is still unclear why five years ago, he walked into the afghan night before being captured. two report criticized lack base security and poor discipline with the unit. he now being treated at a hospital in germany, cut o