No rush of first timers in Iowa

NBC  News - The NBC News entrance poll show a big dip in participants attending a Democratic caucus for the first time.

The entrance poll showed just about a third of voters — 35 percent — caucusing this year are first-timers, a lower level than in 2016, when first-timers made up 44 percent of the Hawkeye State's Democratic caucusgoers.

And this year's level of new participants is well shy of that in 2008, when a whopping 57 percent of Democra