TELEVISION
Friday, July 19
P.G.A. CHAMPIONSHIP (ABC, 8-8:30 p.m.)* Taped highlights of the second round of play from Pecan Valley Country Club, San Antonio. Live coverage of third round on Saturday, 6-7:30 p.m.; final round Sunday, 5-7 p.m.
WHAT'S HAPPENING TO AMERICA? (NBC, 10-11 p.m.). NBC News Correspondent Edwin Newman, New York City Mayor John Lindsay and Frank Mankiewicz, press secretary to the late Senator Kennedy, mull over what everyone wants to know. Second in a four-part series.
Tuesday, July 23
OF BLACK AMERICA (CBS, 10-11 p.m.). "Portrait in Black," fourth in a seven-part...