According to The Hill:
Trump departed the White House just after 10:00 a.m., according to a reporter traveling with the president. Trump was wearing a white polo and USA hat, the reporter added.
Trump and Paul have had a tense relationship in the past. Trump attacked the senator for voting against the bill to repeal ObamaCare, but the two reunited over Trump’s executive order rescinding parts of ObamaCare last week.
Paul defended Trump’s use of the order and attended the signing ceremony, during which Trump presented him with a pen.