The summit of NATO leaders that opened Tuesday at The Hague began beneath a new cloud of war in Iran. Yet among Europe’s architects of shared security, a cautious optimism obtains. Also: today’s stories, including an Iranian missile attack on the Al Udeid Air Base in Qatar, America’s largest military installation in the Middle East; Texas Gov. Greg Abbott signing a law that would mandate that the Ten Commandments be displayed in public school classrooms; and a book review of “Buckley: The Life and the Revolution That Changed America” by Sam Tanenhaus. Join the Monitor's Kurt Shillinger for today's news.