This change in position is political expediency. The Art of the Deal.
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The next ^^ sentence was in reference to Trump.
What ‘changed position’ was Trump being politically expedient about?
He went from calling Romney mean for suggesting self deportation and criticizing the Republican party of being mean to Hispanics, to his current position of head ‘em up and move ‘em out.
If he had been in a position to vote on his 2012 stance, he would not be in the Presidential race now.