Introducing CNN This Morning's segment today on the 10th anniversary of the Boston Marathon bombing, co-host Poppy Harlow said: "This is a day to not forget. To never forget what happened." Except that CNN did "forget" to mention a central fact about "what happened" that day! The attack, which resulted in the deaths of five people and injured hundreds, was perpetrated by two Chechen jihadi terrorist brothers, Tamerlan and Dzhokhar Tsarnaev. Their family entered the United States on a tourist visa, was eventually granted asylum and received welfare benefits for many years. Ilhan Omar infamously described 9/11 as "some people...