Washington (CNN)Mitt Romney has instructed his closest advisers to explore the possibility of stopping Donald Trump at the Republican National Convention, a source close to Romney’s inner circle says.The 2012 GOP nominee’s advisers are examining what a fight at the convention might look like and what rules might need revising.”It sounds like the plan is to lock the convention,” said the source.

Source: Romney’s advisers explore blocking Trump at RNC – CNNPolitics.com