Since becoming President of the United States, Donald Trump has been on a signing spree. People have noticed the sharp, ...

Trump loved to use a Sharpie so much that he even reached out to the stationary company to design a custom pen for him to sign documents, emblazoned with his mountain-peak-like signature.

What is lesser know, however, is that Trump struck up a deal with Sharpie to have these pens personalized for himself. Toward the end of the first episode of HBO's new four-part series done with ...