Bob Williams, longtime TV columnist for the New York Post, died Aug. 20 of cancer at St. Vincent’s Medical Center in New York City. He was 86.Williams spent 32 years with the Post, becoming the TV columnist in 1957, a position he held for 21 years. A native of Syracuse, N.Y., he served in the U.S. Navy during World War II. During newspaper strikes of the 1960s and ’70s, he worked as an on-air personality for all three networks. After leaving the Post, he a became public information officer for the borough of the Bronx. He is survived by his son and several nephews.