. >>> today ben jealous will call on larry hogue tan to refuse to reject president trump -- he has asked states for several pieces of data including names, party afill yag filiations and voting histories. several states rejected this request. some say state laws prohibit releasing certain details about voters. >>> coming up capitol hill where tracie potts will have reaction on president trump's latest twitter controversy. ♪ we are a day away from the fourth of july. today we will get a sneak peek. the closed rehearsals are this morning. actor john stamos hosting this year at the national mall. a lot of people looking forward to seeing the beach boys, four tops, the national symphony orchestra among others. should be a lot of fun. last-minute preparations are underway to get ready for the thousands who will attend. security will be tighter. d.c. police say there are no credible threats. we caught up with people enjoying the weather and the smithsonian folk life festival over the this is one of my favorite events every year. >> how is the heat? >> washington in the summer. about what you w

. >>> today ben jealous will call on maryland governor larry hogue ton refuse to cooperate with president trump's election integrity commission. jealous is a candidate in maryland's democratic primary for governor. the commission investigating alleged voter fraud in the 2016 elections has asked states for several pieces of data including names, party affiliations and voting histories. several states rejected this request. some say state laws prohibit releasing certain details about voters. >>> coming up, we'll go to capitol hill where tracie potts will have reaction on president trump's latest twitter controversy. ♪ >> it won't be long until the music and fireworks fill the national mall for the 4th 4 today we will get a sneak peek. the closed rehearsals are this morning. megan mcgrath is live on the national mall with more on what you can expect. good morning, megan. >> reporter: preparations underway. we have that rehearsal happening later this morning. you can see the fencing behind me here. folks will have to pass through security to get to the grounds of the u.s. capitol for this con