One minute OTT services are having trouble attracting sufficient content to launch, the next minute content businesses are queueing up to get in on the latest OTT act. This week Starz has signed up with AT&T’s DirecTV Now, to hitch a ride on the OTT bus. Starz of course is out of the Liberty Media stable, controlled by John Malone, who incidentally is the guy who engineered the sale of DirecTV to AT&T in the first place. It is his deep connections with AT&T and his shadowy hand behind Charter Communications, which suggest to us that Charter will never be purchased by Verizon – it would break his AT&T stranglehold, which has seen two major deals make him one of…