New York Times bestselling author Craig Shirley talks about 2016 race and comparisons between Ronald Reagan and Jack Kemp made by Speaker of the House Paul Ryan (R-WI).

New York Times bestselling author of “Last Act: The Final Years and Emerging Legacy of Ronald Reagan,” Reagan biographer, and presidential historian, discusses Donald Trump threatening to “spill the beans” on Ted Cruz’s wife following a Cruz PAC running an ad of a nude Melania Trump. What is the history of candidates’ wives being fair game in campaigns? Does the influence of first lady’s matter during campaign season?