Obama is completely finished after the socialist takeover of Healthcare. 72% of the Democrat Party will realise they've always actually been Libretairian. As will the war-mongering, Bible-loving, Evangelical, social conservatives, who will reject such candidates Sarah Palin, Mitt Romney, and Rick Santorum for the former Governor almost no one know who it is.
At election day Johnson will get over 90% of the total votes cast, losing only D.C. because he choose not to campaign there. Strongest support he get in Texas, were only one single person vote for Obama, some weirdo called Lief.
Already on Innaguration day Johnson repeals the universally loathed Obamacare, which even though it won't have went fully into affect will have destroyed the lives for all Joe Sixpack's who make more than $200.000 a year. In two weeks time Johnson brings back every single soldier from Iraq and Afganistan, and all other foreign bases. Sure some seniors complain when he gets rid of that evil Goverment run Medicare, but after pot is legalised, those seniors are high to often to even feel the cancer eating them from inside.
A constitutional amendment is passed to make Johnson's birthday a constitutional National Holiday, known as Freedom Day, and he gets his own monument in D.C. right next to Lincoln. And although 80% of Americans demand that the constitution is changed to allow Johnson to be president 4eva, Johnson himself refuses to sit more than two terms, because he's just that good.