Education tech company 2U set out to bridge the divide between for-profit online learning and highly reputable universities. Now it\u2019s mired in debt and facing competition from former clients. WSJ higher education reporter Melissa Korn joins host Zoe Thomas to explain 2U\u2019s long, steep fall. Plus, WSJ contributor Bart Ziegler shares strategies for getting the best answers from AI chatbots.\n\n\n\nSign up for the WSJ's free Technology newsletter.\n\nLearn more about your ad choices. Visit megaphone.fm/adchoices