There's quite a lot of this out there. But courtesy of TPM Reader TT, two posts from GateWayPundit, one of the country's most prominent rightwing blogs ...
10/13/13: "Horrible. Obama to Leave US POW to Rot in Afghanistan After Withdrawal."
6/3/14: "Figures. Obama Administration Promoted Bergdahl to Sergeant After He Reportedly Joined Taliban."
Along those lines here's a fun piece Tom Kludt just put together of Republicans racing to scrub their social media accounts and websites of praise for "war hero" Bowe Bergdahl.