Clinton: I won't make promises I can't keep
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Democratic presidential hopeful Hillary ClintonHillary Diane Rodham ClintonIntel Dem decries White House 'gag order' after Bannon testimony 'Total free-for-all' as Bannon clashes with Intel members Mellman: On Political Authenticity (Part 2) MORE is emphasizing the pragmatism of her platform, vowing never to make a promise on the campaign trail that she cannot back up in the White House. 
“I want you to understand, I will not promise you something I cannot deliver,” Clinton said Friday at a rally in Denmark, S.C., according to ABC News. “I will not make promises I know I cannot keep.”
The line was a subtle dig at rival Bernie SandersBernard (Bernie) SandersMellman: On Political Authenticity (Part 2) Former Sanders campaign manager: Don't expect email list to be shared with DNC Adult film star: Trump and Stormy Daniels invited me to 'hang out' MORE, who has promised sweeping policy reforms from universal healthcare to tuition-free higher education.
Speaking to a heavily black audience, Clinton also hit the self-proclaimed democratic socialist for his narrow focus on economic inequality.
She aligned herself with President Obama and his signature healthcare law, accusing Sanders of trying to undermine ObamaCare.
“He has called the president weak, a disappointment,” she said of Sanders. “He tried to get some attention to attract a candidate to actually run against the president when he was running for re-election.
“He does not support the way I do building on the progress the president has made, and that includes building on the Affordable Care Act,” she continued.
Clinton currently leads the Feb. 23 South Carolina primary by nearly 30 points, according to a RealClearPolitics average poll.