Former House Speaker Newt Gingrich urged Congress Tuesday to "vote no" on a military strike against Syria and instead begin debate on what he described as even bigger strategic challenges for the United States and the world. "The most powerful nation in the world does not need a three- or four-week debate about a limited, symbolic, tactical use of power," the Georgia Republican wrote Tuesday in an opinion piece for CNN, as he urged Congress to "vote no on a meaningless public relations use of military force against [Syrian President Bashar Assad]. "What we do need are three debates about...