Japanese Prime Minister Shinzo Abe was grilled by the nation’s Diet, or legislature, for a second day on Tuesday regarding allegations he helped a friend win approval for a private veterinary school. Abe has denied any impropriety, though the scandal is the latest in a string of controversies that have prompted his approval ratings to sink to an unprecedented low of 26% before general elections next year, and may spell the end of a political career until now characterized as “Teflon.” “This is an implosion,” says Prof.