IF what you say is true than the election was fraudulently held and should be done over.
I say, just swear in McCain and Palin - the highest LEGAL, LEGITIMATE vote-getter.
Article II, Section 1:
Clause 6: In Case of the Removal of the President from Office, or of his Death, Resignation, or Inability to discharge the Powers and Duties of the said Office, (See Note 9) the Same shall devolve on the Vice President, and the Congress may by Law provide for the Case of Removal, Death, Resignation or Inability, both of the President and Vice President, declaring what Officer shall then act as President, and such Officer shall act accordingly, until the Disability be removed, or a President shall be elected.