The Daily News' Tom Hoffarth, L.A.'s most astute sports-media critic, writes about the new, entertaining HBO Sports documentary entitled "The UCLA Dynasty" in today's column. Good timing for March Madness -- the doc premieres on Monday at 10 pm, with repeat airings throughout April. And, don't forget to read, religiously, Hoffarth's "Off the Wall" blog; his most recent entry lists favorite docs produced by HBO Sports over the years.