In Patrick Kennedy's defense...both parents were probably drunk when he was conceived which tends to be associated with low IQ and arrested development. As an Adult Child of Dysfunctional Parents, his problems with acting out frustrations at authority figures are part of that syndrome. It's a way of getting attention.
When these types attend Catholic Masses, the burden is upon the presiding priests or bishop to announce audibly BEFORE Mass begins that those who support abortion SHOULD NOT approach Communion. Types like Kerry and the Kennedys, involved in grave public scandal, should be asked by the priest to recant before they are given Communion.