"Trump Shares ‘Ridiculous’ Letter from Club for Growth Asking Him for $1 Million"
Their ads running in Iowa: https://www.washingtonpost.com/news/post-politics/wp/2015/09/15/conservative-group-launches-1-million-anti-trump-ad-campaign-in-iowa/
Trump has insisted that the Club for Growth is attacking him because he refused to write them a $1 million check after a meeting with him earlier this year. Club for Growth officials says Trump's team requested the meeting.
"Trump Shares ‘Ridiculous’ Letter from Club for Growth Asking Him for $1 Million"