Top Tech CEOs gather for White House dinner

Top tech CEOs set to have dinner tonight with President Trump at the White House. Apple's Tim Cook actually just arriving moments ago. Other heavyweights including Mark Zuckerberg, Senator Pai, Sam Alman all there for today's tech check.Christina Parts Nevis digging into the growing influence of Silicon Valley in Washington. and Christina. >> Well, Sarah, tonight's White House Rose Garden dinner really reads like a who's who of Silicon Valley, but it's also a sign of how much time techos are now spending in ...