Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. Canada's Trudeau Unsure About Washington Trip, Citing Concern Over Tariffs Reuters Canadian Prime Minister Justin Trudeau said Friday he was still unsure whether he would go to Washington next week to celebrate a new North American trade treaty, citing concern about possible U.S. tariffs on aluminum. Mexico's President Andres Manuel Lopez Obrador, who is to meet U.S. President Donald Trump next week, has said he would like Trudeau to attend. Mexican sources had previously said Lopez Obrador's visit was planned for Wednesday and Thursday, with the possibility of a trilateral meeting on Thursday. .