In the Civil War, freedom to screech was curtailed with byline implementation.

Presumably our Professor Erika can trace her journalistic lineage of anonymity to practices common when the Civil War began. Perhaps that's why there's a strong and enduring case to be made for the issuance of a General Order No. 48 for New Albany troggerbloggers.

Birth of the Byline, by Ford Risley (Disunion blog at Opinionator, New York Times)

... Following the journalistic practice of the day, correspondents wrote anonymously during the war, most using a pen name or no name at all. Newsmen liked the custom, believing the secrecy allowed them do their work better. As one reporter wrote, “The anonymous greatly favors freedom and boldness in newspaper correspondence . . . . Besides the responsibility it fastens on a correspondent, the signature inevitably detracts from the powerful impersonality of a journal.”