It’s Still Not Clear Who Could Stop Sanders

New York Times: “Mr. Sanders’s success, and the continued uncertainty over who his strongest would-be rival is, makes it less clear than ever how centrist forces in the party can organize themselves for a potentially monthslong nomination fight. The moderate wing is still grappling with an unusually crowded field for this late in the race, the lack of an obvious single alternative to Mr. Sanders and no sign that any of those vying for that role will soon drop out to hasten a coalescence.”