Commentary A few weeks ago, U.S. Sen. Lindsey Graham (R-S.C.) indelicately stated his opinion about Russian boss Vladimir Putin’s invasion of Ukraine: “The only way this ends is for somebody in Russia to take this guy out.” The past weekend, President Joe Biden got in on the act, calling Putin a “butcher” and declaring, “For God’s sake, this man cannot remain in power.” While not an explicit call for Putin’s assassination like Graham’s, it’s difficult to interpret Biden’s rhetoric as anything other than a call to Russians to stage some sort of coup. Both of these politicians were indulging the long-established political expediency of cheap grandstanding. Gentlemen, please: Keep those thoughts to yourselves. Before I explain why such statements should cease, let me emphasize that I have never been nor am now in any way a fan or admirer of Vladimir Putin. But I can think of at least three …