Almost two years after we first floated the idea of Liberty Media combining its music and radio activities with entertainment and events company Live Nation, of which John Malone owns 34.2%, other OTT industry observers have begun to talk seriously about such plans. Rumors that Liberty Media is mulling a full takeover of Live Nation quickly succeeded SiriusXM’s $3.5 billion Pandora purchase last week, after SiriusXM CEO Jim Meyer said on a conference call that his company “certainly has the firepower to do other things if we want to,” in response to a question about Live Nation. Although Meyer added that the prospect was not at the forefront of his mind right now. Any hostile move for Live Nation will…