ABC News Cecilia Vega on how Democratic candidates are spending caucus day.
Election campaign is heating up in the US as presidential hopefuls gear up for Iowa caucus on Monday. Republican frontrunner Donald Trump is leading the .
The republican and democratic candidates make their final pitch to Iowans before they go to the polls next Monday.
With Wall Street and Super Pacs backing, Hillary is the extension of the Obama Presidency.But will be worse. Hillary has been running for the top position in the .