A group of progressive Democrats proposed legislation this week aimed at generating millions of dollars in new tax revenue by taxing "extreme wealth." The Oppose Limitless Inequality Growth and Reverse Community Harms Act, or the OLIGARCH Act, was introduced by Rep. Barbara Lee, D-Calif., and several other progressive Democrats. Lee, who is running to replace Sen. Dianne Feinstein in the Senate, said her bill is aimed at taxing extreme wealth in the name of fighting the "threat to democracy...