After Faultline Online Reporter going on about the best deal for Comcast (and Charter) in cellular is for them to combine to acquire Verizon, someone else has finally picked up the tune, though they are banging their drum to a slightly different beat. Citigroup financial analyst Jason Bazinet has made a suggestion that Comcast should put in a $215 billion offer for Verizon in a research note this week. The logic is clear, why build a close relationship with one cellular operator (Verizon) only to ditch it and start again with another – by buying Sprint or T-Mobile. Just assume for a moment that Sprint and T-Mobile do end up merging. After that US cable would be faced with the…