mr. trump's feelings on the issues filled out on twitter. if we charge a country zero and they charge us 25-50 or even 100 percent to sell hours. it's unfair and can no longer be tolerated. it's not free or fair trade, it is stupid trade. an example the white house is fond of offering is that of the auto sector where china charges 25 percent on cars sold there and the eu 10 percent. the trump administration has hit canada, mexico and the eu with 25 percent tariffs on steel and 10 percent on aluminum. saying it's in the interest of national security. a notion that left our neighbors to the north, godsmack. >> if canada can be security to national security threat to the united states, is inconceivable >>reporter: all against the backdrop of a week dominated by news with north korea. as officials handed over a letter to a the president from