Van Morrison--or more properly, these days, Sir George Ivan Morrison--turned 21 today. There are those of us--Greil Marcus may be another--who think Van Morrison's cult classic Veedon Fleece, released exactly 40 years ago, might be his greatest album. Here's just one "highlight." Ain't it lonely, livin' with a gun? And then one of his all-time greats, "Streets of Arklow."