Elon Musk has been way off with his coronavirus predictions from the start, but now he's doubling down with his asinine thoughts ... by urging the U.S. to reopen and be "free" again. The Tesla honcho just tweeted to his 33 million followers, "FREE AMERICA NOW" ... following a couple other tweets encouraging states to ease pandemic lockdown restrictions, despite health experts' warnings that doing so could lead to a spike in deaths.