In the L.A. teachers’ strike, teaching families picket and pinch pennies

By Wednesday, the Vargas family had fine-tuned an intricate dance, choreographed so that both parents and all three kids could support the teachers’ strike.

That morning, from about 6:30 to 9, parents Arnoldo and Maricela Vargas protested outside Banning High School, where Arnoldo is an art teacher…