Herman Cain named Rep. Paul Ryan (R-Wis.) and Sen. Jim DeMint (R-S.C.) as potential running mates should he secure the Republican presidential nomination for the 2012 election. Speaking Thursday on "The Steve Gill Show," Cain outlined the qualities he would like in a running mate, and then, unprovoked, offered specific names. “There are some people in Congress that are very, very good, that I respect and admire and that I would love to have on my team,” Cain said. “Whether that would be in a V.P. slot or in a key Cabinet slot … I’ll give you a name —...