No matter who wins this year’s presidential election, tipped service workers might be getting a nice new tax break. Vice President Kamala Harris has followed in former President Donald Trump’s footsteps by promising to eliminate income taxes on tips if she’s elected. Trump, meanwhile, is already complaining that she’s stolen the idea from him—although isn’t it supposed to be a triumph when you convince an opposing campaign to adopt your views? Cutting taxes for tips has already gained minimal traction in Congress too. Sen. Ted Cruz (R–Texas) and some House Republicans have drafted a bill that …