The Cowboys aren't going to the Super Bowl but all will be OK, Cowboys nation. The Cowboys are still No. 1 in singer/rapper Nelly's heart. And he thinks the future is bright in Dallas."They should be very, very, very, very encouraged," Nelly said when joining Skip Bayless and Shannon Sharpe on Undisputed recently, "disappointed, but encouraged."Nelly's encouragement stems from what's ahead for Dallas, he said.