Laura Linney's career-defining role--in "You Can Count on Me"--requires her to be tightly wound, teetering, furious. It's like a "Laurie Metcalf" role. In one of my all-time favorite movie scenes, Linney has just one word--and she fits a world of hopefulness and terror into that word. (She has picked up a phone, and after a moment, she says her brother's name. "Terry.") "American Classic" allows Linney to revisit her famous role. The show is like a variation on a theme--for Linney. Once again, Linney is outwardly poised, impatient, well-meaning, somewhat ridiculous. Her character, Kristen, will not listen to her daughter's wish to say "no" to the University of Pennsylvania. Kristen is eager to sabotage herself; when her critics say she should resign from her office, she quickly decides that they are right. In certain funny, climactic moments, Kristen refuses to participate in the absurd "truth circle" that th...