Haley responds to Trump's barbs with Southern charm
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Trump fired off several tweets on Tuesday afternoon targeting Haley, who has been campaigning on behalf of Trump rival Marco RubioMarco Antonio RubioSenate weighs new Russia response amid Trump backlash Senate adds members to pro-NATO group McConnell reassures Europe on Russia MORE ahead of voting on Super Tuesday.
 
Trump shared tweets from two senior aides attempting to portray Haley as hypocritical on the issue of Trump releasing his tax returns, invoking her remarks regarding Mitt Romney from 2012.
 
"The people of South Carolina are embarrassed by Nikki Haley!" Trump declared in his own follow-up tweet. Haley responded to Trump with her own tweet stating, "Bless your heart."
The pair have sparred over the past couple of months, including in January when Haley delivered the GOP response to President Obama's State of the Union that focused on Trump's harsh rhetoric.