An undeterred JEB! Bush vows 'I'm all in'

Deterred? IT"S MY TURN!!!!!!!

(CNBC) - Of the two dynasty candidates in the 2016 presidential race, Jeb Bush has it much harder than Hillary Clinton. It's in the poll ratings, and the records.

The former Florida governor, once the presumed Republican front-runner, trails Donald Trump and Ben Carson nationally; Clinton leads the Democratic race despite her email troubles. More significant in the long run, while Clinton can point to the economic boom her husband presided over, Bush must defend the presidencies of his father and brother that both ended badly. Read more.