There are currently 16 Republicans seeking 2016 presidential nomination, but the easier way to understand the field is by breaking it in two: the three outsider candidates grabbing the poll numbers and attention (Donald Trump, Ben Carson, and Carly Fiorina) and everyone else.
Breaking down the group with that lens reveals just how big the electorate for those outsider candidates is – about 50% of the total GOP primary voters in Iowa and New Hampshire – and gives a sense of the political and demographic contours of the group. CONT.
Dante Chinni, NBC News