This year is witnessing an unprecedented large attack against string theory in the popular arena, with Peter Woit and Lee Smolin publishing books with criticism of it and its dominance in beyond Standard Model theoretical physics. Is string theory right, wrong or not even wrong? What is a layman to make of this? Well, for starts, he or she could move over to Cosmic Variance
and read the excellent and level-headed post Sean Carroll has written. The discusion in the comments is also surprisingly civil and substantial, perhaps because a certain L.M. has not weighed in yet.