Musk: Navarro ‘dumber than bricks’

Billionaire Elon Musk escalated his attacks against White House trade adviser Peter Navarro on April 8, calling him a “moron” who’s “dumber than a sack of bricks.” Musk, 53, responded to the trade adviser’s suggestion on CNBC’s “Squawk Box” that the Tesla boss was “not a car manufacturer” but “a car assembler,” pointing to the…