I heard what you said, but I just don't give a shit. "Your concern is noted" is the perfect phrase for casually dismissing an opinion you disagree with. It demonstrates a lack of concern by displaying an obvious pretense of actually caring. The phrase is reminiscent of the corporate-speak companies use when accepting suggestions that they will no doubt ignore.
Joe: Obama is not an American! He has a Kenyan birth certificate! I demand he be removed from office immediately!
1) Flightless hunted (game) animals.
2) The portion of a political campaign that focuses on grassroots activity: various forms of canvassing and the "get out the vote" movement on election day. The ground game complements the "air game," which consists of TV and radio advertisements and free media coverage.
Obama is banking on a strong ground game helping him win the 2008 presidential election.