The Ally ****
By: Samuel L. Leiter February 27, 2024: The Ally, a new play at the Public Theater by Itamar Moses, a Tony winner for the book of the musical The Band's Visit (2018), is bitingly relevant and thought-provokingly gripping, but has its flaws. Among other things, it is, at a bit more than two hours and 35 minutes, perhaps 15 minutes longer than need be; its characters stretch credibility with their superior knowledge…