Business Insider: Barack Obama could run for Congress in 2018 — and he might be the Democrats' best hope

Ohio congressman Tim Ryan is campaigning to replace Nancy Pelosi as the House minority leader. In an interview with the Washington Post, he argued that Democrats need a strategy for appealing to voters that doesn't rely on President Obama's personal popularity. Indeed, Barack Obama can't run again ... OR CAN HE???
http://www.slate.com/blogs/the_slatest/2016/11/23/barack_obama_could_run_for_congress_become_speaker_of_the_house.html