(Portland, OR)  --  Sentencing is set for next month for a man convicted of screaming racial slurs at two boys and threatening them with a knife.  Court records show 61-year-old Michael Amatullo was found guilty Wednesday of two counts of second-degree intimidation as well as two counts of menacing and one count of unlawful use of a weapon.  Police say he threatened a seven-year-old boy and a 15-year-old boy with a knife last December while yelling racial slurs at them.  Police say he continued to use racist and anti-Semitic language while officers arrested him.  Sentencing is scheduled for August 12th.