Rumors spread from Internet blogs to CNBC to the trade press Thursday that News Corp Chairman Rupert Murdoch has offered Liberty Media chief John Malonehis DirecTV home satellite company in exchange for Malone's $10-billion stake in News Corp. According to the reports, such a deal would resolve two problems for Murdoch -- the threat of a possible takeover attempt by Malone and the stagnant growth of DirecTV. Murdoch reportedly has expressed frustration about the inability of DirecTV to compete with rival cable operators by offering broadband Internet and telephone services. According to CNBC's David Faber, Murdoch has recently been calling DirecTV, his "turd bird."