How do you know if that bottle of extra-virgin olive oil is really extra-virgin? Ruth Reichl and Louis Di Palo discuss what real olive oil tastes like. Then, an exhibition of important Abstract Expressionist works at the Met. Also, Laura Lippman discusses her new crime novel based on the real-life disappearance of two sisters. Plus, Susan Faludi assesses the post-9/11 era through the lens of gender relations.