Donald Trump's supporters have accused CNN of censorship for not airing an advertisement touting the president's accomplishments after the network said it rejected it because of its claims about "fake news".

Donald Trump is brandishing the endorsement of conservative Republican firebrand Sarah Palin in the increasingly intense 2016 GOP presidential sweepstakes, giving the billionaire businessman a boost against Texas Senator Ted Cruz less than two weeks before Iowa’s kick-off caucuses.

Not only is Donald Trump an unconventional candidate, he’s got a campaign operation that turns the conventional wisdom of electoral politics on its head.

FORMER Alaska governor Sarah Palin said her recent hiring of a chief of staff for her political action committee did not signal a decision to run for the 2012 Republican presidential nomination.

Former Alaska Governor Sarah Palin has hired a long-time Republican political strategist as chief of staff of her political action committee, fuelling fresh speculation about her possible intent to run for president in 2012.