Not finding escarole at Trader Joe’s, Safeway, Bestway, or Giant, and thus being unable to make this recipe. Nuts. For folks who know greens better than I do, what can be subbed in for escarole in a soup?

Ezra Klein is a former Prospect writer and current editor-in-chief at Vox. His work has appeared in the LA Times, The Guardian, The Washington Monthly, The New Republic, Slate, and The Columbia Journalism Review. He’s been a commentator on MSNBC, CNN, NPR, and more.