by Stephen Thomas ErlewineOne day, either in this life or the next, Britney Spears will have to atone for unleashing Kevin Federline upon the world. A onetime backup dancer for Justin Timberlake, LFO, and Britney herself, Federline was not just a nonentity prior to romancing Spears, he was a nonstarter, a cog in the machinery of the lower rungs of the pop music industry and destined to be nothing more. But Brit-Brit, reeling from her momentary marriage to childhood friend Jason Alexander, saw something buried behind the skeevy look in his eyes and decided that Kevin Federline was her soulmate. This was something that shook her to her core, so she decided to share him with the world, so we could all … Read more