If Sanders supporters are n't buying it , it 's not .
They 're unrealistic ; rather , it 's merely that they 're looking at the same thing -- math -- that Clinton has emphasized in every one of her victory speeches .
If Sanders supporters are n't buying it , it 's not because they 're unrealistic ; rather , it 's merely that they 're looking at the same thing -- math -- that Clinton has emphasized in every one of her victory speeches .