Imbibe my MTV, but when I desire hip-hop, I spell relief T-H-E-B-O-X. Called Video Jukebox in some regions, this cable station is programmed completely by viewers, meaning you see artists – especially hip-hop artists – who don't often get on the big-brother network. In Brooklyn, N.Y., right now and extending back a few months, the reigning fave is the Wu-Tang Clan, who are to the channel...