- Chris Christie dropped out of the presidential race Wednesday after a sixth-place finish in New Hampshire
- Christie became pre-occupied with Marco Rubio's rise in the polls, and attacked him at the last debate before Tuesday's primary
- He started from behind in the race, and was buried by negative ads as soon as he showed traction
(CNN)New Jersey Gov. Chris Christie poured everything he had into New Hampshire, clawing his way up the polls in a crowded field and Donald Trump-dominated year while tainted by scandal back home.