Why Trump Fails—and Clinton Passes—the Commander-in-Chief Test

Three months ago, my former boss and mentor, retired Defense Secretary Bob Gates, questioned whether Donald Trump has the temperament to be president. While I fully share Secretary Gates’ concerns about Trump’s disposition, I am equally troubled by the Republican nominee’s views on national security, which he laid out again at a startling news conference on Wednesday, including the bizarre claim that “NATO changed their whole program because of me” and he might let Russia keep Crimea. He also appeared to call upon Moscow to launch another cyber-invasion of the U.S. so as to find Hillary Clinton’s "30,000 emails that are missing."

America today faces three principal national security threats: from radical Islamists, who seek to terrorize Americans and overthrow the existing order in the Middle East; from a resurgent Russia, which seeks to reassert its dominance over the former Soviet Empire and overthrow the existing order in Europe; and from a rising China, which seeks suzerainty in Asia. In all three areas, Trump has shown a limited grasp of the nature of the threat and has proposed strategies that would make America less secure....
http://www.politico.com/magazine/story/2016/07/2016-national-security-military-defense-commander-in-chief-test-trump-clinton-214104?lo=ap_b2