Dr. Jill Biden has hit the campaign trail in support of her husband, President Joe Biden, while former first lady Melania Trump has remained out of the limelight. There are rumors she won't return to the White House with former President Donald Trump if he is reelected. Professor of presidential studies Barbara Perry discusses how important first ladies can be to a presidency and campaign. #JillBiden #MelaniaTrump #firstladies Get a fast-paced look at the latest from the border to Main Street to the White House on "NewsNation Live with Marni Hughes." Weekdays starting at 10a/9C.#NewsNationLive 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