Hi Icon:

"... Republican president who left office in disgrace ..."  Mr. Nixon overstepped the bounds of propriety in office and for that was properly hammered by Congress.  He also had his genuine accomplishments, as others note on these boards.  And certainly, disgraceful behavior in office isn't restricted to Republican politicians by any means - Ted Kennedy's serial sexual predations, Mr. Clinton's perjury and impeachment, Mr. Rostenkowski's corruption and imprisonment, etc, all come readily to mind (all prominent Democrats).

"... role of the Environmental Protection Agency in protecting the health of Americans ...  laughable that you would bring that up ..."  You have charming faith in the infallibility of the EPA, but a lot of thoughtful people don't.  This would include at one time the editor of _Science_ magazine  (one of the premier hard-science publications on Earth), who felt compelled to inveigh, in print, against some of the disingenuous excesses ...