Tragedy in Las Vegas, Nevada overnight, as a gunman kills more than 20 people and injures another 400 at a country music concert. Plus Google's getting ready for a big Pixel launch on Wednesday, and Uber's new CEO is heading to London as its former chief makes two surprise appointments to the company's board. We also preview the testimony from former Equifax CEO Richard Smith, due on Capitol Hill this week. And the Senate expected to vote on whether to re-appoint chairman Ajit Pai to another term at the FCC. Plus, it's the first day of fourth quarter. We'll take a look at whether the winners and losers so far this year will be able to end the year strong.