A new poll published today in Puerto Rico's El Nuevo Día reveals a closer race than most expected in the Carribean Island primary, scheduled to be held on June 1.
According to the survey of 800 democratic voters conducted by the local firm Research & Research, Hillary Clinton would get 50% to Barack Obama's 37% while 13% are undecided. The margin error for a sample this size is 4.4%, 19 times out of 20.
(h/t Ben Smith)