Those who poll well early don't become presidential nominees
Walker made the claim Nov. 11, 2014 on Fox & Friends, as speculation built that he would seek the Republican nomination for president in 2016.
Walker was asked about his relatively low score, in an exit poll of Wisconsin voters, about whether he would make a good president.
In replying, he changed the focus, making what is essentially a definitive claim about national polls on possible presidential contenders.
"No, I mean, in the end, any poll right now is ridiculous," the governor said.
"You look over the past four or five elections, people who poll high at the beginning are not the people who end up being the nominees."
Of course, the 2016 election is still two years away, most voters arent paying close attention and the potential candidates will do plenty of jockeying in the meantime.
"Campaigns certainly matter," pollster Gary Langer, who directs ABC News polling, told us. "However, being an early leader has its advantages."
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http://www.politifact.com/wisconsin/statements/2014/nov/24/scott-walker/those-who-poll-well-early-dont-become-presidential/