Jon Karl reports on Pres. Trump saying he doesn’t need Congressional approval for the war in Iran because hostilities have been "terminated" as he faces a deadline under the War Powers Act; Aaron Katersky has details on the 18-year-old charged in a deadly Kentucky bank robbery after police say he led them on a high-speed chase that put area schools on lockdown; as thousands took to Havana's streets for May Day, Matt Rivers has reports on how the U.S. oil blockade has left Cuba on the brink of