Republican Rep. Nancy Mace (R-NC) took to the social media site X Thursday to complain that President Joe Biden was missing in action. The post came shortly after news broke that the Biden White House had negotiated a prisoner swap to bring home three Americans and one Green Card holder imprisoned by Russia — a move heralded by USA Today as “the largest prisoner swap since the Cold War.” Once the hostages arrived on the ground in Turkey, Biden took the families to the Oval Office, where they were all able to speak to journalists Evan Gershkovich and Alsu Kurmasheva, along with former U.S. Mari…