Good morning, here are our early stories: -- Four American Journalists Are Released After Arrest In Bahrain. -- A Rising Spanish Party Calls For Referendum On Catalonia's Secession. And here are more early headlines: Tornadoes Strike South, Heat Bakes West, Snowfall In East. ( AP) U.N. Says Missiles Strike Hospitals In Syria. ( BBC) Obama Administration Approves U.S. Factory To Be Built In Cuba. ( USA Today) South Korea Warns North Korea Of "Collapse" Over Launch Program. ( Guardian) Obama To Visit Vietnam In May. ( Washington Post) New Reports Of Sexual Abuse By U.N. Peacekeepers In C.A.R. ( Reuters) Former Prince Protege', Denise "Vanity" Matthews, Dies. ( CNN) Kendrick Lamar, Taylor Swift Nab Big Grammy Wins. ( Rolling Stone)