Kamala Harris is still keeping most of her agenda incognito, but she gave a strong hint about its direction on Tuesday when she blessed the Democratic plan to blow up the Senate’s filibuster rule. This would turn the Senate into the House for the purposes of passing legislation, which means a wide open door for progressive priorities. “I think we should eliminate the filibuster for Roe [v. Wade], and get us back to the point where 51 votes would be what we need to actually put back...