“This is an important moment. You will be funding, today, the allies of al Qaeda.” That was the declaration Senator Rand Paul (R-Ky.; pictured) made on May 21 during a hearing of the Senate Foreign Relations Committee. Paul’s comments were directed at his colleagues, nearly all of whom voted to send arms to Syrian rebels. Senators Robert Menendez (D-N.J.) and Bob Corker (R-Tenn.) co-sponsored the bill that authorizes “critical support to the Syrian opposition through provision of military assistance, training, and additional humanitarian support.” The bill sailed through the committee, passing with bipartisan support by a vote of 15-3. Senator...