The Last of the Love Letters **1/2
By: David Sheward September 21, 2021: At first, Ngozi Anyanwu's The Last of the Love Letters seems like a conventional breakup story. The audience enters the Atlantic Theater Company's Linda Gross Theater to find Anyanwu herself on stage as a character listed in the digital program as "You." (The others are enigmatically called You No. 2 and Person.) This You is scribbling in a notebook, evidently she is writing t…