Vegetarians arenҴ the only people who want to maximize dietary protein. How can we get the most protein from plants? WSJ contributor Heidi Mitchell and nutrition expert Dr. David Sears discuss with Tanya Rivero. 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:http://www.facebook.com/wsjvideo Follow WSJ on Google+:https://plus.google.com/+wsj/posts Follow WSJ on Twitter:https://twitter.com/WSJvideo Follow WSJ on Instagram:http://instagram.com/wsj Follow WSJ on Pinterest:http://www.pinterest.com/wsj/ DonҴ 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:https://www.facebook.com/pg/wsj/videos/ On Twitter:https://twitter.com/WSJ On Snapchat:https://on.wsj.com/2ratjSM