A former spokeswoman for the Republican National Committee was amazed by the thundering crowd vice president Kamala Harris drew at her rally in Georgia. The vice president’s campaign announced a crowd count of 10,000 in Atlanta, and former RNC spokeswoman Madison Gesiotto Gilbert warned Republicans that Harris was building up impressive momentum that could carry through to November’s election. “Just like that, Kamala went from not being able to make it to double digits or win a primary in 2020 to this,” said Gilbert in response to another post on X showing Harris basking in cheers in a packed …