Why Jeb Bush Sees Himself as the John McCain of 2016

The GOP candidate says he's not intimidated by the big Trump, Carson crowds.

Speaking to ABC News today, Bush offered an anecdote about a previous GOP candidate whose chances seemed slim.

“It doesn’t frustrate me at all,” Bush said. "Because I know at the end, the people I’m talking to and listening to are going to be the ones who will decide who the nominee will be and I believe I will be that person.”

Not oblivious to the polls, however, his campaign has started to ramp up its advertising efforts. Here in New Hampshire, they’ve dropped a whopping $4.6 million for ads slated to air in January and February.

Between New Hampshire and other early primary states -- Iowa and South Carolina -- campaign officials are spending close to $8 million on ads, in the hopes it will bolster their on-the-ground efforts.

Today, Bush portrayed no uneasiness, instead simply steadfast in the belief that polls, at this early stage, mean nothing. He says he’s prepared for the many months ahead.

"It’s a long haul, man,” he said. “A long haul."