Sen. Lindsey Graham and a bipartisan group of lawmakers, uniting against a Trump administration idea to withdraw U.S. troops from part of Africa, pushed back during a fiery exchange with Defense Secretary Mark Esper here over the weekend, according to four people present at or familiar with the meeting. https://www.nbcnews.com/news/world/graham-tells-defense-secretary-esper-he-could-make-your-life-n1137681 […]