House Republicans are set to hold a field hearing Tuesday in the border town of Sierra Vista, Arizona regarding the situation at the U.S.-Mexico border. Watch #MorningInAmerica: newsnationnow.com/joinus #humansmuggling #migrants #Arizona Start your day with "Morning in America," NewsNation's live three-hour national morning newscast hosted by Adrienne Bankert. Weekdays starting at 7a/6C. #MorningInAmerica 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