By Adam Nayman Cate Blanchett’s best film performance remains her slight but crucial supporting turn in The Talented Mr. Ripley (1998). Playing Meredith Logue, a nouveau-riche heiress who has trained herself to swoon at the opera, Blanchett gently underlines this society neophyte’s would-be sophistication. The moment when she strategically nuzzles up to her date on…