Special Assistant to the President Lindsey Halligan said the Smithsonian museums had become "laboratories for political experiments."

It's not about whitewashing, it's all about full context, so while slavery is obviously a horrible aspect of our nation's history, you can't really talk about slavery honestly unless you also talk about hope and progress.

Lindsey Halligan, the president's special assistant, told Fox News "we can’t just keep focusing on the negative."