Panelists on MSNBC’s “Morning Joe” ridiculed Sen. John Kennedy for getting pushback from a Fox News host over his insulting attacks on Vice President Kamala Harris. The Louisiana Republican appeared to be caught off guard when host Neil Cavuto took him to task for repeatedly calling Harris a “ding-dong,” which he claimed was based on polls showing voters don’t think the vice president is intelligent. Panelists on the rival network applauded the conservative broadcaster for challenging Kennedy. Want more breaking political news? Click for the latest headlines at Raw Story. “Good for Neil Cavuto…