Internet billionaire Marc Benioff is urging the GOP Congress and President Donald Trump to fast-track 400,000 foreign visa-workers — plus 400,000 family members — to green cards, the U.S. job market, and the ballot box. “This is good for our economy,” Benioff said in a Tuesday tweet that was applauded by Silicon Valley lobbyists. “We need to grow our workers to grow our economy.” Benioff’s comment is a tautology: Expanding the population by importing more than 800,000 people would obviously grow the nation’s economy, retail sales, government taxes, company profits, and Wall Street stock options. But Benioff’s cheap-labor importation plan...