March 13, 2012 3:36 pm Who Turned Up The Heat Large parts of the United States are experiencing one of the most spectacular early spring warm spells in modern times. Frances Kuo reports. US & World Videos 1:01 Biden administration plans to reclassify marijuana as a Schedule III drug 2:28 King Charles returns to public duties amid cancer diagnosis 3:10 Nicole Kidman gushes over family's support at AFI honor 1:39 Benny Blanco talks falling in love with Selena Gomez 18:17 Christian Slater ate 12 Pop-Tarts and got a massive sugar high for ‘Unfrosted'