now. we woke up earlier with a national geographic shot community with a walking photo tour along the colorado river in austin. follow "cbs this morning" on instagram to look at the fantastic photos. >> here is a good example of why you shouldn't tailgate. this dash cam video from a wisconsin highway shows a black suv riding up on another car. the driver in front does a brake check. and that send the suv spinning

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between making noise, (tapping sound) and making sense. (elephant sound) (donkey sound) when it comes to social security, we need more than lip service. our next president needs a real plan to keep social security strong. (elephant noise) hey candidates. >>> a dog sniffs out armor

we're going to make sure >>> fitness guru richard simmons says he is home and happy, despite reports to the contrary. he shot to fame in the 1980s with his sweat to the oldies workout series and photographed

this is a letter from someone who's here. she has to take a brand name drug. been taking it since the early 1980's. at that time it cost approximately $180 for 10 shots. and the company is called valeant pharmaceuticals. this is predatory pricing and we're going to make sure

driver in fronts of you a little this is a letter from someone who's here. she has to take a brand name drug. been taking it since the early 1980's. at that time it cost approximately $180 for

cancer treatment >>> many americans say they don't get enough sleep, especially teenagers. ben tracy shows us how stanford university is trying to get high school students to open their eyes to the dangers of sleep dep deprivation deprivation deprivation. >> reporter: 17-year-old norah seigler is wired up in order to better understand why teenagers need to unplug. >> the biggest workout your

america's number one golfer lexi you've got to roll with it say what you say don't let anybody get in your way >> we are counting to next month's 2016 masters tournament.