...In 2010, Lt. Col. (retired) Oliver North visited the ranch where Ashurst lives. He was working on documentaries called “War Stories.” He was accompanied by Chuck Holton, a freelance war correspondent and former U.S. Army Ranger who has worked with North on his films and books. When the caravans of illegal immigrants began forming last year in southern Mexico, Holton was sent there to report on them. Ashurst shared some of the information he received from Holton. The migrants are not being paid to join the caravans, but they are being supported and encouraged to join by opposition political elements...