Grieved at their hardness of heart . . .  During Mass one Sunday morning, a teenager chatted with the man seated next to him.   The teen had been invited by a friend, and he clearly hadn’t been to church very often.   His speech was peppered with bad language.   His mannerisms seemed rough.   And he kept speaking at the worst possible times.   Offended by the boy’s actions, the man thought,  “Doesn’t he know this is a church?” But something...