fought to expand health care access, i've brought in dollars to grow transit around -- transit, carrolltonent the last 27 years working on and will continue to do as a senator. >> maryland democratic senate nominee angela alsobrooks, thank you very much for being on the show. >> thank you. >> all right. take care. thanks for being on this morning. >>> and coming up, teens spend nearly five hours every day on the top social media platforms. now the u.s. surgeon general is calling on congress to require warning labels on social media platforms, similar to those now mandatory on cigarette boxes. we will have those details for you. >>> plus the growing reaction on capitol hill after a divided supreme court on friday struck down a federal ban on bump stocks. "morning joe" will be right back. " will be right ckba (vo) in two seconds, eric will realize they're gonna need more space... (man) gotta sell the house. (vo) oh...open houses. or, skip the hassles and sell directly to opendoor. (man) wow. (vo) when life's doors open, we'll handle the house. right now you can get a free footlong at subway.