Palo Alto College is opening its doors with “Discover PAC,” an event that provides high school students and anyone interested an opportunity to learn about academic programs and short-term job training opportunities offered at the Southside campus. The event will take place on Friday, March 22, from 9 a.m. to noon in the college’s Central Courtyard at 1400 W. Villaret Blvd. in San Antonio. . . .