Knowingly hiding facts which would show you're ineligible to be a Senator or President, in of itself must be crime if not a felony. Qerri had served as a senator for more than two terms by this time. Let Jean serve time, just not in the Oval Office.
HF
John H. Chafee...................31 Jan 1969 - 4 May 1972
John W. Warner...................4 May 1972 - 8 Apr 1974
J. William Middendorf............8 Apr 1974 - 20 Jan 1977
http://www.history.navy.mil/faqs/faq37-1.htm
Of course, "collaborating with the Viet Cong" will do nicely in its place.
HF