Gov. Gavin Newsom’s sudden conversion to socialism is a naked act of political opportunism. After pretending for months to oppose the so-called “billionaire tax,” he has endorsed it at the national level. Like other Democrats with ambitions for higher office, Newsom is running scared — from the leftists in his own party. It’s no longer good enough to be anti-Trump. Congressman Dan Goldman, who was Adam Schiff’s lead counsel in the first Trump impeachment, learned that the hard way in last week’s New York Democratic primary. Gavin Newsom’s sudden conversion to socialism is a naked act of political opportunism. AP...