Just four days after releasing the provocative video for "Born this Way's" second single, "Judas," Lady Gaga will release the set's third single, "Edge of Glory" on iTunes today at4PM ET.  Checj out the artwork for the single below.  Gaga made the announcement on Twitter Sunday, revealing the artwork as well as a verse from the song:  "Another shot before we kiss the other side. I'm on the edge of something final we call life."  The album, meanwhile, is scheduled to arrive in stores May 23rd.