The Obama administration announced Thursday that it will propose two years of “free” community college for students maintaining a “C” or better, paid for by taxpayers. The federal government would finance three-quarters of the costs, and the administration says it hopes the remainder would be financed by states.  Just 20 percent of community college first-years complete their program within three years. The White House claims the proposal will save students $3,800 per year in tuition costs. When asked about the cost of the proposal to taxpayers, however, the administration said it did not yet have a price tag, but...