Allies of Sen. John McCainJohn Sidney McCainMeghan McCain shares video of father shutting down supporter who called Obama an 'Arab' after Trump rally Graham: Every Republican president or nominee 'will be accused of being a racist' No presidential candidate can unite the country MORE (R-Ariz.) are using recent reports that President Obama will address immigration reform this year as an opportunity to raise funds for the Arizona Republican.

Jason LeVecke, co-chair of McCain's re-election finance committee, penned a letter to hundreds of Houston business leaders urging them to attend a fundraiser for McCain as a way to show their support for comprehensive immigration reform, the Houston Chronicle reports.