A new caravan of migrants has left southern Mexico and is headed to the U.S.-Mexico border, with hopes of crossing into the U.S. before November's election over fears of potential changes Donald Trump might enact if reelected as president. #migrants #caravan #USMexicoBorder Start your day with "Morning in America," NewsNation's live three-hour national morning newscast hosted by Markie Martin. Weekdays starting at 6a/5C. #MorningInAmerica NewsNation is your source for fact-based, unbiased news for all America. More from NewsNation: https://www.newsnationnow.com/ Get our app: https://trib.al/TBXgYpp Find us on cable: https://trib.al/YDOpGyG How to watch on TV or streaming: https://trib.al/Vu0Ikij