Ali G talks with Sam Donaldson, “boss man of ABC News,” about Nixon’s “Waterworld” crisis, journalist biases and TV ratings, among other critical issues. Borat over-imbibes with a pair of genial gents at a wine tasting in Mississippi. Ali G probes the legal travails of “The Simpsons” with former LAPD police chief Daryl Gates, then questions a pair of ATF dog trainers about bomb-sniffers and canine discrimination.