Ted Cruz, celebrating a big win in Kansas, said on Saturday that it's time for Marco Rubio and John Kasich to drop out and for their supporters to rally behind him. "We’ll continue to amass delegates but what needs to happen is the field needs to continue to narrow," Cruz said during a press conference Saturday night, adding that he hopes the remaining candidates who are underperforming will ask themselves, “Do I have a path coming forward?” "If we’re divided, Donald wins," he said. The Texas senator has been advertising himself as the candidate best placed to beat Donald Trump,...