The Ticker: Shriver, Arraf, Couric, Dube…

> “I hope you don’t get suckered into posting the Norah O’Donnell photo — it’s a fake,” an e-mailer says. “MSNBC animates on all of their talent lower-thirds, so whoever did the screen capture just stopped it before House spelled out.”

> Following yesterday’s Shriver-Smith-Murphy-Leamer story in the Times, Shriver tells Lloyd Grove she’s not vetting author appearances for the Today show. Middle management at NBC is not happy with producer Andrea Smith…

> CNN correspondent Jane Arraf is embedded with U.S. troops on an offensive in Tal Afar. The network is labeling its images “CNN exclusive.”

> Katie Couric watch: A Louisville, Kentucky newspaper columnist wonders: “Is the reigning queen of network morning television about to be deposed?”

> First they lose Dean Wright, and now MSNBC.com managing director Jon Dube is heading to Canada… (Via Romenesko)