Can Bernie Sanders compel enough of those young adults that overwhelmingly support him (and are the only reason he leads in certain polls in Iowa) to actually head to a caucus, and are enough of them even registered?
Will there be a snowstorm in Iowa Monday night that will scramble the entire political paradigm?
And a surprise guest tonight, Sheriff Joe Arpaio is in Iowa to campaign with Trump.
ABC’s Josh Haskell joined us from Des Moines.
