White House on Monday afternoon acknowledged President Trump has begun his telephone call with Canada\'s Prime Minister, just hours before US tariffs on Canadian goods are expected to take effect

<div class=\"default-font-wrapper\" style=\"line-height: 1;font-size: 12pt; font-family: Verdana, Geneva, sans-serif;\">White House on Monday afternoon acknowledged President Trump has begun his telephone call with Canada\'s Prime Minister, just hours before US tariffs on Canadian goods are expected to take effect</div>