Michael Copps and Robert McDowell talked about media merger proposals, including the proposed AT&T-DirecTV merger and the proposed Comcast-Time Warner Cable merger. They discussed the pros and cons of mergers, what the FCC might watch for in acquisitions, and why the agency approves some but not others. They also spoke about several other issues before the Federal Communications Commission.

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The P4 laboratory, on the campus of the Wuhan Institute of Virology, in Wuhan, in China's central Hubei province. (Hector Retamal/AFP via Getty Images)