Universities from New Mexico to New York will join Coursera in a sprawling expansion of the Silicon Valley startup's efforts to take online education to the masses. Together, state systems and flagship universities in nine states will help the company test new business models and teaching methods and potentially put Coursera in competition with some of the ed tech industry's most established players. The push, which company and university officials previewed over the past several days, is not a single effort but several pilot projects with different goals. Some university leaders are unsu...