Trump's budget math is probably off by several trillion dollars

All White House budgets rely on somewhat rosy economic assumptions and some guesswork, but President Trump's fiscal 2018 $4.1 trillion budget plan "is unusually brazen in its defiance of basic math, and in its accounting discrepancies amounting to trillions-with-a-t rather than mere millions or billions," says Politico's Michael Grunwald. The blueprint purports to balance the federal budget within 10 years, but to get there the White House used some pretty creative math, economists say. The firs...