gabe guttierez, take karks mcar.he full story on "nightly news." >>> campaign buttons, religious texts and protest signs tell the story of american democracy in a newly renovated wing at the smithsonian national museum of american his tear. it opened today and we for the a sneak preview.tear. it opened today and we for the a sneak preview. check out our photos on the nbc washington facebook page. opening up just in time for the 4th of july weekend. >> might want to enjoy the air conditioning there this weekend. >> so many people do that when the air conditioning maybe at heechl is not work yet, go to the smithsonian. >> we >> well, we pay for a it. free to get in now, but -- all right. out there right now, we are dealing with pretty nice conditions. we've had cloud cover across parts of the area. those clouds coming from a storm near chicago. yeah, that's right. i don't know what their gas prices are. but right now looking good act cross o across our region. current complaitemperatures aro at the airport. it will dro