In January 1938, Rep. Louis Ludlow, an Indiana Democrat, proposed a constitutional amendment strongly supported by the public: "Except in the event of an invasion of the United States or its territorial possessions and attack upon its citizens residing therein, the authority of Congress to declare war shall not become effective until confirmed by a majority of all votes cast thereon in a nationwide referendum." Although narrowly defeated, 209-188, it might have passed without President Franklin Roosevelt's last-minute opposition.
During Barack Obama's ... sinuous ...progress toward a Syria policy, he has implied that isolationism is among his afflictions. During his news conference-cum-soliloquy in Russia, he said:
"These kinds of interventions ... are always unpopular because they seem distant and removed. ... I'm not drawing an analogy to World War II other than to say when London was getting bombed it was profoundly unpopular both in Congress and around the country to help the British."