I’m not one to watch reality shows (or their talent search related ilk), but I wish I had a heads-up on this one. During last night’s broadcast of America’s Got Talent on NBC, the D.C. Cowboys, a gay country-western dance troupe, proved they have what it takes to entertain the masses… or at least to move on to next round. Check out their audition performance above, set to Big & Rich’s 2004 single “Save…