Story highlights Korie Robertson says she didn't decide who to vote for until the day of the 2016 election

Her message to Trump: "Be a leader that unifies"

Washington (CNN) "Duck Dynasty" star Korie Robertson says she doesn't understand why President Trump didn't speak out sooner and more forcefully against white supremacists after they rallied this month in Charlottesville, Virginia.

"It was shocking and scary, the fact that it seemed like he wasn't willing to call them out" after the violence that erupted that day , Robertson said in an interview that aired on CNN Thursday afternoon.

Robertson, in an exclusive interview with CNN, said she believes there is "absolutely" no moral equivalence between white supremacists and the counterprotesters who were there that day.

"When he came back and tried to say there's good people on both sides and all that, that's when it got even more shocking for me, because I was like, 'I don't know how you could say there are good people marching with torches, shouting Nazi slogans, wearing Hitler shirts, spewing all amounts of hate.'"

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