approved by congress the next president could revoke with a stroke of a pen. what does your gut tell you? do you agree with biden that it is a move to quote, undercut a sitting president? go to newsnation.msnbc.com to share your vote. hillary clinton is expected to hold a news conference to address the e-mail controversy surrounding her. and this was a focus of yesterday's gut check. we asked you, do you agree that hillary clinton should address the controversy and here are the results. 75% said 25% said no. and there is a lot going on this morning. here are some things we thought you should know. the first of its kind federal bill legalizing marijuana will be introduced in the u.s. senate today. rand paul and cory booker and kirsten gillibrand. secret service will be testing