Quoted By:
Shot in the dark, probably because what fucking good is there in going to the moon? We did it originally because the Soviet Union was kicking our ass with space frontier exploration and we needed to make use of all those Nazi scientists we stole. Now, what are we going to gain from going there again? We already planted the flag there, took samples, took pictures, and so on (assuming it's real, of course).
There's a lot of other important space based shit NASA is working on, like Mars colonies or intercepting potentially dangerous asteroids. There's a decent chance the new guy in charge didn't want to divert resources away from studying projects that could potentially save mankind just to appease conspiracy theorists. They get less than 1% of the federal budget annually and have to use it wisely.