Despite running down more than 1,000 leads in the Las Vegas shooting investigation, authorities say they are struggling to determine why Stephen Paddock fired on a packed crowd of concertgoers, killing 58 people and wounding hundreds more.
It's Columbus Day (or, in some places, Indigenous Peoples Day). Donald Trump's presidential proclamation for the day is a lot different than Barack Obama's. Here's what you need to to Get Up to Speed and Out the Door. (You can also get "5 Things You Need to Know Today" delivered to your inbox daily. Sign up here.)