Over the weekend, Shaina Taub named Lynn Ahrens as "our greatest living Broadway lyricist." This is wrong. Here are better choices: Lisa Kron, Lin-Manuel Miranda, David Lindsay-Abaire, Tony Kushner, Steven Sater. Lynn Ahrens is clearly competent, but great lyrics should be surprising, grounded in character, poetic (without turning purple), and showing evidence of a sense of humor. Ahrens's characters tend to sound as if they were declaiming from a series of Hallmark cards, and this is not a compliment. By contrast, I think one of the smartest Broadway songs in recent history is "My Junk," by Steven Sater. Here, several teens sing about masturbating. You'll have to excuse me-- I know it's so off... I love when you do stuff That's rude and so wrong... I go up to my room, turn the stereo on... Shoot up some you--and the you is some song. Sater brings people to life in very few syllables. A teen tries to address her crush, and she seems to be speaking f...