U.S. Treasury yields declined in early trading, with coming key U.S. economic data expected to show further weakness in the labor market.In particular, employment figures are due Tuesday, followed by CPI data on Thursday, with labor-market data likely leaving the door open for Federal Reserve rate cuts next year."In our view, the FOMC has room to deliver the 50 basis points of easing priced in by Fed funds futures over the next 12 months," Brown Brothers Harriman's Elias Haddad said in a note. ...