Catalysts
There will be a Democratic presidential primary: independent Vermont Senator Bernie Sanders has announced formally that he is running for president. Compared to Hillary Clinton, he enters the field with a much smaller digital footprint: 294,000 Twitter followers (and that's to his official Senate account—his official personal campaign account has just 11,600) to her 3.45 million; and 301,000 likes on Facebook compared to her 787,000. Still, Sanders' economic populist message may give him surprising traction—for years he has successfully appealed to many of his state's more conservative and independent voters despite being an avowed socialist. It will be interesting to see if the mainstream media, which has essentially anointed Clinton the Democratic nominee, gives Sanders a fair shake, and also...
