Senators from both parties on Tuesday urged President Obama to immediately send weapons to the Syrian opposition and take out President Bashar Assad's air forces. Syria is at a “critical juncture” and the United States must do what it can to reverse Assad's recent gains on the ground, the chairmen of the Foreign Relations and Armed Forces panels, Sens. Bob Menendez (D-N.J.) and Carl Levin (D-Mich.), wrote in a letter to Obama along with Sen. John McCain (R-Ariz.). The senators pledged their “full support” if Obama takes “decisive military actions in Syria.” The lawmakers called on the president to send...