Plan would take at least 20 years to implement. Presidential candidate Donald Trump’s plan to deport all undocumented immigrants would cost between $400 billion and $600 billion and take at least 20 years to implement, according to a report from the American Action Forum. The report estimates that there are currently 11.3 million undocumented immigrants currently living in the United States. To deport them, these individuals would have to be apprehended, detained, legally processed, and transported back to the country they originated from. In order to do this in two years like Trump has proposed, the report estimates that there...