I gotta give it to Katy Perry…a fifth week at #1 for her ode to lesbianism (or at least bi-curiousity)…”I Kissed a Girl”…is an impressive feat.  The song sold more than 166,000 downloads in the U.S., which is why it is still #1.  So…who is going to dethrone her next week?  I said last week that Chris Brown’s “Forever” was the only possible contender, and this week he is still the only contender.  He is currently at #3 with a bullet (up one from #4), and he is the top digital sales gainer. (more…)