The Bonus Marcher incident of the summer of 1932 during the Hoover administration is one of the best known events of the 1930s. Historians and Roosevelt biographers have ever since contrasted the humane treatment of the Bonus Marchers under FDR with the apparent callousness of Hoover. Yet FDR experienced his own Bonus Marcher incident in 1935, one that goes unmentioned in histories of the New Deal years. Fearful of another incident, the Roosevelt...