The rapidly intensifying effort by the Republican establishment to dislodge Donald Trump from the top of the party's presidential nominating race will star 2012 nominee Mitt Romney, who is preparing a speech for Thursday when he'll lay out his case against the front-runner.
With Trump's convincing victories on Tuesday, the single biggest day of voting in the Republican race, Romney was motivated to make a more formal case against him in hopes of keeping him from coalescing more support, according to a Republican source familiar with Romney's plans. Romney has voiced criticism for Trump in recent months, including his attack last week on the New York businessman's refusal to release his tax returns.
