Morning Joe 03/29/13

North Korea puts rockets on standby; Nelson Mandela hospitalized

Top Talkers: North Korea has put its rocket units on standby to attack U.S. military bases in South Korea and the Pacific, the country announced. The Morning Joe panel discusses what's behind North Korea's announcement, and reports the health of former South African leader Nelson Mandela, who has made his third hospital visit since December. NBC News' Rohit Kachroo reports. ... more Duration: {{video.duration.momentjs}}