News Here’s what the Constitution’s 10th Amendment says about Trump’s claim to have total authority over states April 14, 2020April 14, 2020 William Cummings, USA TODAY Comments Off on Here’s what the Constitution’s 10th Amendment says about Trump’s claim to have total authority over states Law professor Jonathan Turley said the 10th Amendment is a guard against constitutional "mission creep" and contradicts Trump's claim of total power.