Independent: Hillary Clinton has swiftly shut down any suggestion that she would welcome an endorsement from wealthy Koch Industries CEO, Charles Koch.
The man who has spent millions to bankroll Republicans and conservative causes - he plans to spend $900 million on the 2016 election alone - hinted that he might support Ms Clinton over the Republican candidates during an interview with ABC News.
Ms Clinton posted a tweet to say she is not interested in receiving an endorsement from someone who denies...