 Complete the following phrase:  On June 16, 2016, The Washington Post reported that pro-gun Bob Casey had become an evangelist for gun control laws. After the Sandy Hook school massacre in December 2012, he had completely flipped his views on several gun issues, largely as a result of having been accosted by his wife and daughter. Casey has since embraced every major proposal to counter gun violence, reported the Post, including a renewed ban on assault weapons and enhanced background checks before gun purchases. In the wake of the 