Gregory Darnell News Today : Breaking News, Live Updates & Top Stories | Vimarsana

>> reporter: tonight marks paul ryan's and joe biden's one chance to vie for the no. 2 job. biden joked with reporters. >> you ever seen me rope a dope? >> reporter: but this is his chance to make up for what was widely perceived as a loss by president obama to mitt romney in last week's debate. >> the vice president is very much looking forward to the debate tonight because there are really clear distinctions between the president and mitt romney even if governor romney is trying to fuzzy up those distinctions in the final weeks of the campaign. >> reporter: biden has done this befo...

so once again we're talking about temperatures about 10 degrees where they would normally be here for the 12th of october. let's do some temperatures right now at reagan national, it is cool. we've cooled off to 49 degrees. dulles 44 degrees, and out at bwi marshall 45. let me mention in addition to the cool temperatures we've got a bit of a breeze out of the north and west. so you combine that with these temperatures and in parts of the region it feels like upper 30s, so i definitely would advise kids will want a sweater or jacket on their way out the door today on their way to the ...