"Alexis Madrigal, who wrote the story, "@" replied MayorEmanuel the day before the end of the account," Dan Sinker tells Foster Kamer, "and as with every other media person who asked for an interview over the months, @MayorEmanuel told him to fk off, and he wrote back with a pretty funny reply, and then included his e-mail address. I thought about it for a while. I knew that I really needed the hunt for me to be over, and so I set up an anonymous e-mail account and started fking with him for a day basically." || Jim DeRogatis: It was a one-note joke that demonstrated the power of journalism's new tools. || Marah Eakin: Why DeRogatis is wrong. || Listen to Sinker on Chicago Public Radio.