Louie Comedian Louis CK's offbeat comedy show returns to FX this week for its third season, and while it's not distributed via a PayPal-supported downloadable honor system, we'll watch anyway. The show's been among the funniest selections out there for the last few seasons and we expect it to remain there. The only difference is the packed lineup FX has arranged around it, with fellow returnee Wilfred and new series premieres from Charlie Sheen in Anger Management and Brand X with Russell Brand. (June 28th, FX, 10:30PM) Weeds Nancy Botwin is back (?). After the last few seasons, that statement isn't at interesting as it used to be, but after the cliffhanger finale,