As members of Congress gathered in April 1917 to decide whether to declare war on Germany, some legislators arrived with battle scars. For Civil War veterans, the memory of that catastrophic war would inform their understanding of a new conflict. Historian Mary Dudziak revealed what it would take to generate sufficient support to enter a faraway war: a politics of catastrophe. For transcript, captions, and more information, visit www.loc.gov/today/cyberlc/feature_wdesc.php?rec=7140