a l t Phone Installed; Await Son's Call SYRACUSE, April 21 (IP, -The parents of M/Sgt. Robert Shaw, released in the Communist POW exchange Sunday, had a telephone installed tonight. . T Mr. and Mrs. Clarence J. of nearby Liverpool said they had a "feeling" thoir son wll! call. The couple nan not heard their son, but sdid they learned from Associated Press reports t h a t he was among 30 flown lo Tokyo Jn a big four-en- Kined Globemaster.