theodp writes: On Thursday, Chicago Mayor Rahm Emanuel called on the federal government to make computer coding classes a requirement of high-school graduation (video). Back in December 2013, Emanuel — who previously served as President Obama's chief of staff — joined then-Chicago Public Schools CEO Barbara Byrd-Bennett to announce a comprehensive K-12 computer science program for CPS students, including a partnership with then-nascent Code.org. "[Y]ou need this skill Make it a high-school graduation requirement," Emanuel said. "They need to know this stuff. In the way that I can get by kind of being OK by it, they can't.