Campanello d'allarme per Joe Biden, finora il favorito tra i candidati dem alla Casa Bianca: nell'ultimo sondaggio in Iowa, lo Stato da dove partiranno le primarie, si è registrato per la prima volta il sorpasso di Elizabeth Warren.
La senatrice, secondo la rilevazione di CNN e Des Moines Register, ha adesso il consenso del 22% degli elettori dem, contro il 20% dell'ex vicepresidente.
Nettamente staccato invece Bernie Sanders all'11%. Pete Buttigieg col 9% meglio di Kamala Harris e tutti gli altri. Di solito chi vince in Iowa guadagna la nomination.
ansa/joe.p.
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