While not quite as good as the first film, "The Sisterhood of the Traveling Pants 2" still has its merits, especially if you enjoy high-drama, pregnancy scares and nude male models. Based on the second, third and fourth books of the young adult series by Ann Brashares, the sequel to the surprisingly enjoyable 2005 film joins the four friends, Carmen (America Ferrera, "Ugly Betty"), Lena (Alexis Bledel, "Gilmore Girls"), Bridget (Blake Lively, "Gossip Girl") and Tibby (Amber Tamblyn, "Joan of Arcadia") after their first year of college, when they are once again getting ready for a summer