FDR 60th Birthday Celebration

The transcript describes a nation at war pausing to honor its president's birthday with celebrations across the country. Hollywood stars visit the White House, where a young boy, Jerry King, becomes a symbol of the Humane Crusade. The evening culminates with Mrs. Roosevelt and celebrities enjoying a massive birthday cake, with President Roosevelt expressing gratitude to all involved.

What role did Mrs. Roosevelt play during the birthday celebration?

What message did President Roosevelt convey to the well-wishers?