It's easy to get a little expense report-happy when faceless shareholders are footing the bill, but $90,000? That's no round of after-work drinks. Bernadette Escue allegedly wracked up these exorbitant fees on her Network Appliance corporate card. A travel manager at the Sunnyvale data center, Escue came under suspicion on allegations of wire fraud after a $12,000 tuition charge for San Francisco's Drew Preparatory School showed up on the corporate tab.