Assertion: caucus's member | /r/CapableOf | coalesce around one candidate
Facets:
Source sentences:
text: With Republicans, who have tended to have far more crowded fields than Democrats in recent years, Iowa has proved a key part of the winnowing process in the past two cycles, chasing a number of socially conservative candidates out of the field and allowing members of that wing of the party to coalesce around one candidate.