arizona governor at embree riddle aeronautical university in joint base andrews. santa fe mayor at new mexico highlands university. and michigan governor rick snyder at adrian community college in michigan. saturday night at 8:00 eastern . c-span and c-span.org >> in brussels today, president trump helped to dedicate a nato memorial that included a piece of the world trade center and a segment of the berlin wall. during his speech, he said, 23 of the 28 nations in the alliance are still not paying their fair share and meeting their financial obligations. we'll see president trump in just a few minutes. but first, we'll hear from nato secretary general stultenberg and german chancellor angela america who will says it's not building walls that make us successful. this is about 20 mibs -- minutes. mr. stoltenberg: welcome to brussels to all of you. we will begin our meeting with the dedication of two memorials . our gathering today is an opportunity to chart our shared future and to remember our shared past. the berlin wall is the symbol of that past. it was built to