I was told that a while back a Sefer came out that went through a couple of the teshuvot in Igros Moshe and refuted some of the answers given. Due to some harsh remarks the author made in the introduction the Sefer was put into chayrem (nobody sold it). Im curious as to what the name of the Sefer was. Although the author was out of line for his comments in the introduction, from what I hear the Sefer itself was incredibly thought out. Anyone know the sefers name?