At a time when so much controversy and acrimony is being focused on illegal immigration, border walls, DACA “dreamers,” and sanctuary cities, Los Angeles is celebrating a citywide, multivenue festival (organized by the Getty) called Pacific Standard Time LA/LA. Its focus is the enormous role played by the cultures of Latin America, Hispanic, and local Chicano culture in the realms of art, film, dance, and music — from ancient Mayan artifacts to balls-out rock ’n’ roll.