Marco ##ni : U.S. should step in with more assistance or other countries can declare void . He says Obama 's slowness to act to end bloodshed risks increasing instability in region . He says U.S. should help moderates get ammunition and support to oust al - Assad . Rubio : U.S. should back opposition ; the Syrian people will remember their help .
Marco Rubio : U.S. must step in with more assistance or other actors will fill void . He says Obama 's slowness to act to end bloodshed risks increasing instability in region . He says U.S. should help moderates get ammunition and training to oust al-Assad . Rubio : U.S. should back opposition ; the Syrian people will remember U.S. help .