April 23, 1983, Bono and the band launched their 'War' North American tour at The Carolina Concert For Children benefit, in Chapel Hill, North Carolina. Those 48 concert dates cemented U2's stage show dominance. Then came the acclaimed "Joshua Tree" LP in '87. All pieces of a puzzle that place U2 second only to The Beatles in net worth for rock acts. We're featuring U2 of the '80s on these channels today.