They Died So Republicans Could Take the Senate
by Thom Hartmann
Richard Nixon authorized the Watergate burglary and subsequent cover-up to advance his own political ambitions. Because Nixon's lies were done for the craven purpose of getting and holding political power, his lies - in the minds of the majority of the members of Congress - were elevated to the level of impeachable "high crimes and misdemeanors."
Bill Clinton had sex in the White House with Monica Lewinsky, but Congress concluded he'd lied about it to maintain political power. Another impeachable crime.
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http://www.commondreams.org/views05/0620-22.htm