WASHINGTON -- Arizona Sen. John McCain joined three other senators Wednesday in supporting President Barack Obama's decision to impose sanctions on Syrian leader Bashar al Assad and other top Syrian officials. McCain signed the statement along with fellow Republicans Lindsey Graham of South Carolina and Marco Rubio of Florida and Independent Joe Lieberman of Connecticut. "We applaud President Obama for imposing sanctions on Bashar al Assad and other top Syrian officials," the senators' statement said. "The President's strong and principled action today should send an unmistakable message that the United States stands in solidarity with the brave protesters in Syria...