Iowa caucus debacle verdict: Sometimes, there shouldn’t be an app for that

Here’s what we know about what happened earlier this week at the Iowa presidential caucuses. The Iowa Democratic Party hired Shadow Inc., a startup company, that built an app that clearly hadn’t been tested well enough before it was deployed in the real world. Host Molly Wood spoke with Charles Stewart, a professor of political science at MIT and a member of the Caltech/MIT Voting Technology Project, and asked him what parts of the voting process do need tech innovation?