New York Times publisher Arthur “Pinch” Sulzberger Jr. said Thursday he will relinquish his post at year’s end and hand it to 37-year-old son, Arthur Gregg “AG” Sulzberger. The younger Sulzberger had been the deputy publisher and outmaneuvered rival family members, including Sam Dolnick and David Perpich, to keep the Times under the Sulzberger wing...