If you re a boomer one of the 76 million born between 1946 and 1964 close your eyes for a few seconds and ask: What people and things define your generation? Hula hoops and GI Joes. Cheetos and Twizzlers. JFK and MLK. Bell bottoms and go-go boots. Sonny and Cher. Lennon and McCartney. 8-tracks and 45s. Protest and free love. When boomers reminisced on Facebook, Twitter, and beyond, they suggested thousands of ideas. We culled the top 101 heartstring-pingers...