In the clip, Kaine recounts his time as governor of Virginia, promises to work across party lines, and never mentions his time at the partisan DNC.
"I'm running for the United States Senate because America has big challenges, and I'm convinced that Virginia has answers to help strengthen our nation," Kaine says in the video.
Kaine would enter the race to succeed Democratic Sen. Jim Webb, who announced in February he will retire from office after just one term.
The former governor mulled a Senate run in recent weeks, and had given strong signs he would mount a Senate campaign.
On the Republican side, Kaine could face former opponent George Allen, who lost the Senate seat to Webb in 2006. Allen, who was governor of Virginia from 1994 to 1998, announced his candidacy in January.
Tea Party activist Jamie Radtke has also said he will seek the Republican nomination.
Seventeen big-budget movies premiered this past summer, and almost all of them cost more than $100 million to make and about that much to promote. While only about 10 of them were solidly profitable, studios are not changing their strategies.
Rudy Kurniawan, once considered one of the world's most formidable wine collectors, was convicted Wednesday of making cheap wine blends in his house and then passing them off as some of the rarest wines in the world, for thousands of dollars each, at auction.
Democrats on the Senate Intelligence Committee are pressing for the release of a so-called torture report on Bush-era interrogation practices. But there are several hurdles to clear before portions of the report might become declassified.
Along with submissions for our Weekly Innovation post, we've also received ideas for things that haven't been created yet, things that NPR readers want to see become a reality (like reversible tattoos or steering wheel fans). As we look ahead to 2014, here are our favorite ideas of the past year.
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