Election forecaster Nate Silver has been one of the most bullish on former President Donald Trump’s chances at re-election in recent months, but even he believes the winds have shifted. In an interview on Fox News Wednesday evening, Silver said he believes the picture has changed dramatically in the few short weeks since President Joe Biden abandoned his re-election campaign and stepped aside for Vice President Kamala Harris. “Polls are a snapshot of the time,” said anchor Bret Baier. “You talk about this all the time. But where is the snapshot that you see right now in this race?” Want more b…