[snip] ...he presided over some of the Trump administration’s most controversial immigration and security policies. In the phone interview Friday, Kelly defended his rocky tenure, arguing that it is best measured by what the president did not do when Kelly was at his side. It was only after Kelly’s departure was confirmed Dec. 8, for example, that Trump abruptly announced the pullout of all U.S. troops from Syria and half the 14,000 troops from Afghanistan, two moves that Kelly had opposed. Kelly’s supporters say he stepped in to block or divert the president on dozens of matters large and small....