Retiring Sen. Barbara Mikulski (D-Md.) is the 34th senator to support Iran nuclear deal, guaranteeing that President Barack Obama will be able to sustain a veto of an attempt to kill the agreement, the Associated Press reported. “No deal is perfect, especially one negotiated with the Iranian regime,” the longtime senator, who is not running for re-election in 2016, said in a statement. “I have concluded that this Joint Comprehensive Plan of Action is the best option available to block Iran from having a nuclear bomb. For these reasons, I will vote in favor of this deal. However, Congress must...