BRIEF-U.S. VP Pence says hopeful that Trump and China's Xi will make progress on trade at G20

Canadian Prime Minister Justin Trudeau and U.S. Vice President Mike Pence spoke to reporters in Ottawa: * U.S. VP PENCE SAYS HE IS HOPEFUL THAT TRUMP AND CHINA'S XI WILL MAKE PROGRESS ON TRADE AT G20, BUT CHINA MUST AGREE TO MAKE REFORMS

* CANADA'S TRUDEAU, ASKED ABOUT PENCE'S COMMENTS ON CUBA'S INFLUENCE IN VENEZUELA, SAYS CUBA CAN POTENTIALLY PLAY A ROLE IN VENEZUELAN STABILITY * U.S. VP PENCE SAYS PROUD TO BE PART OF A PRO-LIFE ADMINISTRATION AFTER TRUDEAU SAYS THEY "CORDIALLY" DISCUSSED WOMEN'S RIGHTS (Reporting by Steve Scherer and Roberta Rampton)