Job seekers and employers are deploying artificial intelligence bots to help in the application process. It's leading to a bot versus bot battle. WSJ reporter Lindsay Ellis tells host Zoe Thomas why both sides say it’s hurting the hiring process. Plus, what if your doctor could test a treatment on a digital version of your heart before surgery? WSJ senior special writer Stephanie Armour explains how the technology works and the ways it could improve medical treatment. 

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