US president Donald Trump mocked the United Nations during his speech after he faced a broken escalator and an inoperable teleprompter. He used the two instances to illustrate his broader complaints ...

Add Yahoo as a preferred source to see more of our stories on Google. The president was there to make brief remarks about an initial trade deal with China. But each time Donald Trump started into his ...

If you’re not used to public speaking, a teleprompter can be a useful tool to have in your arsenal. A teleprompter can help you keep your speech on track, and make everything run a bit more smoothly.