When Rick Santorum rebuked John F. Kennedy's 1960 speech on religion, he was repeating a common conservative view that the address did more harm than good.

In an interview Sunday with ABC's "This Week," Santorum, a Roman Catholic Republican, said he "almost threw up" when he read the remarks by Kennedy, who told the Greater Houston Ministerial Association: "I believe in an America where the separation of church and state is absolute."