Carney puts Keystone XL on the table in hopes for progress on U.S. steel and aluminum tariffs in 'coming weeks'

OTTAWA — As Prime Minister Mark Carney hopes for a hastened resolution on U.S. steel and aluminium tariffs, he left the White House having put energy on the table as an area of cooperation in exchange for progress on a trade deal. 

A source with knowledge of the discussions between the president and the prime minister said that Carney raised...