Democratic candidate Bernie Sanders attends Brown & Black Presidential Forum in Iowa

Democratic candidate Bernie Sanders attends Brown & Black Presidential Forum in Iowa

2020 Democratic candidate Vermont Sen. Bernie Sanders reacts to a question about President Donald Trump at the Brown & Black Presidential Forum in Des Moines, Iowa, Monday, January 20, 2020. Candidates continue to campaign ahead of Iowa's first-in-the-nation caucuses February 3. Photo by Mike Theiler/UPI.