McDonald's Corp.'s (MCD.N: Quote, Profile, Research) chief executive sees plenty of room to increase U.S. sales and said it continues to review its debt levels, which it will discuss on a conference call with analysts next week.
"We continue to have huge upside potential in the United States,"CEO Jim Skinner said in an interview on Monday after the world's largest restaurant company said second-quarter profit before one-time items would top Wall Street estimates.
