Sen Richard Schweiker chaired a subcommittee under the "Church Committee"

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"The Warren Commission has collapsed like a House of Cards" -- Senator Schweiker

"The Warren Commission was set up at the time to feed pablum to the American people for reasons not yet known .. One of the Biggest Cover-ups in the history of this Country occurred at that time." -- Sen. Richard Schweiker (6:30 into the 1978 documentary above)

From 1975 to '76, Schweiker chaired a subcommittee under the "Church Committee" that looked into to the assassination of President John F. Kennedy. In an interview on Face the Nation, he claimed the original investigation "was snuffed out before it even began" and that "the fatal mistake the Warren Commission made was to not use its own investigators, but instead to rely on the CIA and FBI personnel, which played directly into the hands of senior intelligence officials who directed the cover-up." ...

http://en.wikipedia.org/wiki/Richard_Schweiker

A couple of side notes...

1) It's very powerful watching Senator Schweiker's smackdown of the Warren Commission.

2) You will never see a Republican like Richard Schweiker again. The Koch Bros & Co. would never allow it.