Former Speaker of the House John Boehner (R-OH) said Sunday on CNN’s “State of the Union” that a string of mass shootings had become an embarrassment to America. Anchor Dana Bash asked, “47 mass shootings in the United States in just over the last month. And I know you know this, polls show the vast majority of Americans support at least some new gun restrictions. When you were speaker, there were 20 first-graders killed in Newtown, Connecticut. Looking back, do you regret not passing laws then, and do you to see Republicans come to the table now at least to...