"McGovern endorses Clark...so he will no longer be the whipping boy for every potential landslide elections." I like your logic! If so, that means he's been waiting for this day for 30 years.. :-)
FYI...if you are interested in political/election statistics, here is a great web site...
The Green Papers
(Apropos of nothing) I recall being surprised by the kind warmth of McGovern's statements about Richard Nixon on TV right after Nixon's death.