Parkland survivor jumps into crowded NYC House race as Gen Z progressives challenge party elders

John F. Kennedy's grandson Jack Schlossberg picked up plenty of national attention when he launched a congressional campaign to replace retiring Rep. Jerry Nadler, D-N.Y., but the content creator is far from the only young, progressive candidate vying to represent the Big Apple in the U.S. House of Representatives.Democratic activist Cameron Kasky, 25, launched a campaign on Tuesday for New York's 12th Congressional District, joining an already crowded field of Democratic primary contenders.Kasky is jumping into the race as progressives across the U.S., especially in New York City, seek to sei