Gov. Tom Wolf and the Republican-controlled state legislature have found something to agree on: Pennsylvania’s corporate net income tax, the second-highest in the nation, costs the state more in lost business than it collects in revenue. The legislature should immediately pass the outgoing governor’s proposal to cut the corporate tax from 9.99% to 7.99% starting in 2023. That would move the state outside the top 10 highest CNI states, although it would still leave Pennsylvania at a disadvantage compared to nearby competitors like New York (6.5%) and Virginia (6%). After that, there are two ideas on the table for lowering...