Donald Trump April 29, 2017 11:48 pm President Trump Marks 100th Day in Office With Rally in Pennsylvania President Donald Trump marked his 100th day in office by holding a rally in Harrisburg, Pennsylvania Saturday night. NBC10’s Lauren Mayk has the highlights from the event. US & World Videos 2:23 Climate change is moving Tornado Alley and driving more tornado outbreaks 1:47 Reese Witherspoon and Ryan Phillippe's daughter Ava calls out body shamers 1:41 Trump fined additional $1,000 for gag order violation and threatened with jail 3:28 Boy, 4, found dead after being swept away by floodwaters in North Texas 1:15 Anna Nicole Smith's look-alike daughter Dannielynn Birkhead attends 2024 Kentucky Derby