Vice President Kamala Harris’ husband has tested positive for COVID-19 after experiencing mild symptoms, but she tested negative and is symptom-free, according to a report Sunday. Second Gentleman Doug Emhoff’s office said was he was tested Saturday after feeling ill, CNN reported. The couple joined President Joe Biden and First Lady Jill Biden on a White House balcony for Thursday’s Fourth of July celebration in the nation’s capital, but it’s unclear if the Bidens have been tested, CNN said. Last week, Joe Biden blamed his disastrous debate performance against former President Donald Trump on…