Romney responds to Etch A Sketch comment by affirming his conservatism . Rivals jump on Mitt Romney aide 's remark that his campaign can reset like an Etch A Sketch . Mitt Romney endorses Romney and calls for Republicans unity . The Louisiana primary 1959 is the next contest in the Republican presidential race .
Mitt Romney responds to Etch A Sketch comment by affirming his conservatism . Rivals jump on Romney aide 's remark that his campaign can reset like an Etch A Sketch . Jeb Bush endorses Romney and calls for Republican unity . The Louisiana primary Saturday is the next contest in the Republican presidential race .