Paul Krugman @paulkrugman
Non-policy: I've seen the joy e-bikes bring. I do moderately strenuous bike trips to clear my head every summer, and so far I can still do it without aid. But I'm 66, I see others using e-bikes, and can easily imagine doing it when the time comes https://t.co/6i5dTKd6Zw — PolitiTweet.org
