Party decision-making in the first year was handled by ILGWU executive secretary Fred Umhey, the Amalgamated Clothing Workers Union's Jacob Potofsky, and Alex Rose of the Milliners'. The success of the ALP in its initial campaign was a beacon for other radical organizations. Although its constitution specifically barred Communists from the organization, there was no enforcement for this provision and large numbers flocked to registration as ALP members from the Communist-led United Electrical Workers, Transport Workers, and State, County, and Municipal Workers. The chief race in 1937 was that for Mayor of New York, pitting pro-Roosevelt progressive Republican Fiorello LaGuardia against a Democratic state supreme court justice, Jeremiah T. Mahoney. As LaGuardia was on excellent terms with the New York needle trades unions and was a leading spirit in the formation of the ALP, he was a natural choice for the organization's nomination. Democrat Mahoney countered by red-baiting LaGuardia for his ALP connections, calling the new political organization an "active adjunct of the Communist Party." This would come to be a common theme in the political discourse about the new party. Also in the 1937 election the ALP tapped Republican special prosecutor Thomas E. Dewey as its nominee for New York District Attorney. Dewey anticipated a probable loss in his race, owing to a wide advantage for the Democratic Party in voter registrations, a number approaching a ratio of 5-to-1. On election day, however, LaGuardia, Dewey, and the ALP emerged victorious. Of LaGuardia's nearly 1.35 million votes, some 483,000 were registered on the ALP line, while Dewey was elected with nearly 60 percent of the vote. In 1936, 1940, and 1944, the ALP endorsed Franklin D. Roosevelt for President of the United States. In 1941, American Laborite Joseph V. O'Leary was appointed New York State Comptroller by Governor Herbert H. Lehman both to recognize the ALP's previous and to maintain the party's future support. In 1944 the Congress of Industrial Organization's Greater New York Industrial Union Council, a federation of unions in New York City, formally linked itself to the ALP. The GNYIUC Executive Board "adopted a resolution directing GNYIUC Community Councils, which had been organizing around community issues in neighborhoods throughout the city, to merge into the local ALP clubs," and the "GNYIUC diverted some of its PAC monies directly to the ALP." With this move, the CIO's largest labor federation, consisting of approximately 200 locals and 600,000 members,