Kamala Harris’s infectious laughter has been a topic of discussion in political circles since she assumed office as Joe Biden’s VP in January 2021. And now, her laugh has practically gone viral among critics, led by her main competitor Donald Trump, who seems to be making her easy laugh a campaign issue, which he’s already exploiting. “I call her Laughing Kamala. You ever watch her laugh?… She’s crazy. She’s nuts,” the former president said at a recent rally in Michigan. While Harris’s laugh is apparently viewed positively by supporters as the natural expression of her personality, which is us…