Critics were already stunned and perplexed when Robert Downey Jr. chose to follow-up his stint in the Marvel films to star in "Dolittle," and they're even more confused after seeing the film that they're calling a "calamity for the ages" and a "haphazard mess." Universal Pictures' "Dolittle," a family-friendly adventure comedy from director Stephen Gaghan based on Hugh Lofting's beloved children's character who can talk to animals, has just a 13% score on Rotten Tomatoes from 67 reviews. Critics who saw the film have called attention to its extensive reshoots and . . .