By SHEERA FRENKEL As the third week of the war in the Middle East continues, intelligence gathered by the Pentagon is being analyzed by technology from the artificial intelligence company Anthropic, on a system run by the data analytics firm Palantir. Drones created by a defense tech startup in Arizona have emerged as a key piece of the U.S. war arsenal. And anti-drone systems made by a California startup have been deployed to protect U.S. forces in the region. Silicon Valley made risky bets...