U.S. military officials on Tuesday revealed that ISIS has lost 98 percent of the territory it once held, and since President Trump took office, half of its so-called “caliphate” has been captured. You can thank the Obama administration for that, says Marie Harf, now a political commentator for Fox News. Here she is on “The Five” to explain. Marie Harf: "The strategy that has led to a virtual defeat of ISIS in the caliphate…is largely a strategy that was laid out during the #Obama administration by military commanders." #TheFive https://t.co/2xXlJTjp08 pic.twitter.com/mr5DZMmCdL — Fox News (@FoxNews) December 27, 2017 So, is...