March 8, 2012 1:38 pm 1st Look Sneak Peek: Exploring the World of Subcultures This week we explore the unique and unexpected world of subcultures. Catch “1st Look” Saturday after “Saturday Night Live” on NBC. US & World Videos 1:40 Charlie Puth reacts to Taylor Swift's ‘The Tortured Poets Department' name-drop 0:26 Kaiser Permanente data breach may have affected millions 2:52 Severe weather kills at least 5 as tornadoes rip through Midwest and South 0:48 World Central Kitchen to resume operations in Gaza 2:12 Pro-Palestinian protests continue to grow at Bay Area universities