In an unlikely turn of events, CBS and Viacom are reportedly making progress towards a merger agreement with a deal expected as soon as the end of June or early July, according to sources familiar with the matter. But the volatility of both sets of executives remains a fundamental factor in potentially derailing negotiations once again. German broadcasters ProSiebenSat.1 and RTL are combining resources to build an addressable advertising platform to control automated booking of TV and online video ad slots – independent of the ad duopoly of Google and Facebook. Vivendi has successfully submitted a €2.1 billion bond to fund the acquisition of France’s M7 Group by the Italian mass media firm’s subsidiary Canal+. The bond comprises…