Whitney Filloon, senior reporter at "Eater," discusses Chipotle's latest norovirus fiasco, which broke out just as the company was starting to recover from 2015's E. coli outbreak. Filloon delves into Chipotle's shareholder lawsuit, with the company being accused of misleading investors about the state of their health operations. Chipotle releases earnings Tuesday, and analysts are expected to lower forecasts for future quarters.