March 12 (Reuters) -
* CANADA'S TRUDEAU SAYS WILL CONTINUE TO PRESS U.S. TO GAIN A PERMANENT EXEMPTION TO STEEL AND ALUMINUM TARIFFS
* CANADA'S TRUDEAU SAYS COUNTRY ALSO FACES CHALLENGE OF GLOBAL OVERPRODUCTION OF STEEL
* CANADA'S TRUDEAU SAYS IF U.S. IMPOSES STEEL OR ALUMINUM TARIFFS, WE WLL HAVE TO SEE WHAT NEEDS TO BE DONE; GIVES NO DETAILS OF POSSIBLE COUNTER-MEASURES Further coverage: