I had to laugh the other night as my wife and I walked our dog. We were strolling through our nearly all-white upper-middle-class suburb singing, "No, no, no, no I don't smoke it no more/I'm tired of waking up on the floor," from the "No No Song" by Ringo Starr, when what to our wondering eyes did appear but a neighbor sporting a joint in his pickup truck. Spying us, he finished his drag and quickly slid the roach into his truck's ashtray. It did not take "Dragnet's" Joe Friday to crack this case. Any American who came of age...