CNN/ORC Poll: Donald Trump takes the top slot in IowaUpdated 2117 GMT (0517 HKT) August 12, 2015 Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds.cnn-orc-poll-iowa-republican-caucus-goers-august (PDF)cnn-orc-poll-iowa-republican-caucus-goers-august (Text)