BOSTON (AP) Worcester Bishop Daniel P. Reilly announced Wednesday that he would not attend commencement at the College of the Holy Cross, which planned to bestow an honorary degree on TV talk show host Chris Matthews, who supports abortion rights. Reilly said in a statement that he made the decision ''with a heavy heart,'' as he wanted to personally offer his congratulations to the class of 2003 on Friday. But he said he could not attend because of the Worcester school's plan to honor ''a Catholic person who publicly espouses the view that, in some cases, people have a right...