Unless he does something stupid (I put the odds at 60-40) Newt Gingrich may give Mitt Romney - the Republican candidate of last resort - a run for his (massive amounts of) money.
See "Gingrich big winner at key Iowa event" by Byron York, Washington Examiner.
See also "Who won the Cain-Gingrich debate?" by Ed Morrissey.
Mitt Romney, it's fair to say, will not save the republic. At best he'll prolong the nation's life-support regimen for a few more years.
Newt? Well, he did save Bill Cinton's presidency. No small feat that.
So maybe ... just maybe ...