Body language expert Greg Hartley says it was obvious in 1988 that Dan Quayle blanched at Lloyd Bentsen’s “Senator, you’re no Jack Kennedy" line. But Hartley says the no-audience format could take away former President Donald Trump’s “superpower” — his presence in a big room. On the other hand, Hartley says President Joe Biden needs to be coached to stay on topic, and he’ll have to be prepared “for a punch in the face.” #debate #body language #greg hartley "On Balance with Leland Vittert" takes a critical look at some of the day's hottest subjects. Weekdays at 7p/6C. #OnBalance NewsNation is your source for fact-based, unbiased news for all America. More from NewsNation: newsnationnow.com Get our app: trib.al/TBXgYpp Find us on cable: trib.al/YDOpGyG How to watch on TV or streaming: trib.al/Vu0Ikij