WASHINGTON - Efforts to finalize the United States-Mexico-Canada Agreement (USMCA) were "looking good," U.S. President Donald Trump said in a tweet on Tuesday shortly before U.S. House Speaker Nancy Pelosi was scheduled to discuss the trade deal at a news conference.Separately, the White House earlier on Tuesday said Trump had spoken with Canadian Prime Minister Justin Trudeau on Monday "to discuss the significant progress toward finalizing" the pact.