brendan murray joins me now with the details. what do we know about the tariffs that have been imposed in the last 30 minutes or so? >> it was five years ago, well, the big surprise was the canada and mexico tariffs. even anticipated he would hit quhien 10%. there was a lot of skepticism in financial markets in particular that he would go through with hitting the north american trading partners with these tariffs. you know, it was only five years ago where donald trump renegotiated the nafta agreement, called it usmca, said it was a greatest, most balanced, most powerful trading alliance in the world. this was going to help the u.s. stand up to europe, the european union, stand up to china's economic might. this three-country alliance would help do that. now he is sh redding it shreadingit. consumer electric pistonnics. food production flows back and forth. we'll see if this is some sort of gambit he thinks he can bring the three to the negotiating table in a couple of days, if this lasts for weeks or months, we're looking at aut