Selina Wang reports on the disruptions at airports due to staffing shortages, as republicans and democrats point fingers over the government shutdown; Alex Presha has the details on President Trump’s threats of military action in Nigeria, accusing the country of not doing enough to protect Christians; and Olivia Rubin with the countdown to election day as former President Obama hits the campaign trail, and President Trump’s political operation invests millions into voter turnout in those states;