Two Things to Watch For in Trump's NATO Visit

President Donald Trump makes his way to NATO headquarters in Brussels on Thursday. WSJ's Gerald F. Seib gives us two things to look out for during the visit. Photo: Getty Subscribe to the WSJ channel here: http://bit.ly/14Q81Xy More from the Wall Street Journal: Visit WSJ.com: http://www.wsj.com Follow WSJ on Facebook:   / wsjvideo   Follow WSJ on Google+: https://plus.google.com/+wsj/posts Follow WSJ on Twitter:   / wsjvideo   Follow WSJ on Instagram:   / wsj   Follow WSJ on Pinterest:   / wsj   Don’t miss a WSJ video, subscribe here: http://bit.ly/14Q81Xy More from the Wall Street Journal: Visit WSJ.com: http://www.wsj.com Visit the WSJ Video Center: https://wsj.com/video On Facebook:   / videos   On Twitter:   / wsj   On Snapchat: https://on.wsj.com/2ratjSM