Elon Musk is full of ideas this month. He promoted his concept of a department of government efficiency (DOGE) at Sunday’s Madison Square Garden Trump rally, debuted a MAGA hat to sell to goths, and has been making 69 jokes on his platform X. These things all may be immature for a 53-year-old billionaire, but they are not illegal — unlike, potentially, the daily voter lottery that Musk’s super-PAC announced last week. His group, America PAC, vowed to...