NEW : Official says `` right now there is no evidence '' to back up soldiers ' disloyalty claims . NEW : President Barack Obama : `` We saw an opportunity and we seized it '' he said today in a press conference with German Chancellor Angela Merkel at the White House, adding that " I think it's important for us not just to be able to say this was done by one person but
NEW : Official says `` right now there is no evidence '' to back up soldiers ' disloyalty claims . NEW : President Barack Obama : `` We saw an opportunity and we seized it '' Bergdahl is resting and showing signs of improvement in Germany .