Sen. Rand Paul, R-Ky., called into "Your World with Neil Cavuto" Friday to discuss the deadly airstrike that killed Iranian general Qassem Soleimani in Iraq, saying he fears an "escalation" between the U.S. and Iran. "I think without a declaration of war, without Congress and the American people behind it, what you get is a messy mission. You get a mission of escalating intermittent violence," Paul told Cavuto. "The president said he didn't want perpetual war in the Middle East. But he's adding more and more troops. If you don't want perpetual war, you don't keep sending more targets over...