It seems unlikely that Silicon Valley, a place where "cracked" engineers brag about how many AI tokens they're burning and how little sleep they get, was heavily influenced by a public high school journalism teacher rather than, say, a computer science instructor who moonlights as a drill sergeant. That's the message behind a new documentary, "The Godmother of Silicon Valley," which celebrates the impact of Esther Wojcicki, 85, known affectionately as "Woj" by the Palo Alto High School students