Culled from CJR’s frequently updated “Must-reads from around the Web,” our staff recommendations for the best pieces of journalism (and other miscellany) on the Internet, here are your can’t-miss must-reads of the past week:

19 tweets from the Audubon Society/Barack Obama Twitter feud — Pass the #popcorn

The social media editor is dead — Every reporter works for Twitter now

Why a media shield law isn’t enough to save journalists — The only way journalists will be protected is if prosecutors stop being so quick to go after them

Roots of impunity — Pakistan’s endangered press and the perilous web of militancy, security, and politics

Holder’s regrets and repairs — How the attorney general feels about his own role in the Fox News case—and how he plans to prevent it from happening again

What war on the press? — Journalists naturally oppose leak investigations for the practical reason that leak investigations dam the free flow of information that makes their stories breathe

Are lobster immortal? — No, not really

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