According to this story, Bill Kristol and other anti-Trump Republicans may recruit David French to run for President as an independent. French is an attorney in Tennessee, and a staff writer for National Review. Thanks to Political Wire for the link.
UPDATE: here is a You Tube in which French is interviewed about North Carolina election laws. Thanks to Rick Hasen for the link. Further update: on the evening of May 31, Mitt Romney said he respects David French and looks forward to hearing about his decision.