Political Etch a sketch 

To Change one position on Political issues after a politcal primary to make one's self image seem more politically moderate then where they stood when they ran for their politcal party's nomination (For Senate, Congress, President, Governor, ect). In essence it's to try to clear the board politically before battle their politcal opponent for a particular politcal office.

Made Famous by Mitt Romney's 2012 Presidential campaign when one of his campaign workers refereed to resetting Mitt Romney's public image after winning his party's Presidential nomination as using a Etch A Sketch

Candidate X had to take a hardline approach on immigration to make himself look more conservative then his primary opponent. Worried about his position on immigration making him look bad in the General Election, Candidate X proceeded to perform a Political Etch a sketch of his image.

Political Etch a sketch by Libertatis May 26, 2014