Jim is back!  Jim Geraghty of National Review and Greg Corombos of Radio America applaud North Dakota Rep. Kevin Cramer for his powerful ad slamming Sen. Heidi Heitkamp for supporting sanctuary cities and for doing so with the right tone.  They also hammer Facebook for censoring numerous Prager U videos and labeling them "hate speech" when there's nothing hateful about them, and wonder whether Facebook's monitors have no idea what conservatism is or whether they just give in to the liberal mob.  And they shake their heads in disgust after London Mayor Sadiq Khan responds to a vehicular terrorist attack by wanting to ban vehicles in that part of the city.