Yes, dozens of tipsters who have written to TVNewser today, you are correct — today is CNN correspondent Susan Roesgen's first day back on the air since Tax Day. Roesgen took a previously-planned vacation after her much-publicized tea party run-in, and is reporting today for the network about the Drew Peterson arrest. She's been on the air several times throughout the morning and afternoon — here's one of her reports for CNN.com: