Have no doubt about it: Film critic Roger Ebert is no fan of Rush Limbaugh. The unabashed liberal reeled off a series of one-liners on Twitter against the radio talk show host over the weekend, in the wake of Limbaugh's hospital visit due to chest pains. A sampling: "Rush: Hawaii is the only country where the Hawaiian shirts come in S, M, L, XL, Rush, and Sumo." "Rush: Nurse at snack time: 'You have nuts?' 'No!' 'You have dates?' 'Hey, if I had nuts, I'd have dates!' Ah...Har! Har! Har!" "Rush: Stuck in this hospital room watching TV, I really...