Sue provides thoughts about how Donald Trump needs to transition from reality star to presidential candidate if he is to be taken seriously.

"Donald Trump has mastered the zinger. He's got a lot of media attention for his response," Zoldak said.

"But if he's to move forward and be considered a serious presidential candidate, he needs to pivot these opportunities to talk to the media about issues and stances for the country. He's missing out on these opportunities."

Never back down

Unlike on his reality TV show The Apprentice, Zoldak said, one-liners can only take a politician so far.

Read more of Sue's interview here.