 The Baltimore area remains under an excessive heat warning until 8 o'clock tonight. The code red heat emergency remains in effect in Baltimore City. Cooling centers open. Pools open extra hours. Wall Street markets up across the board. Dow up nearly 300 points. It's official. Orioles ace Corbin Burns, the American League starter for tomorrow night's All-Star game. Gunnar Henderson among the contestants in the Major League Home Run Derby competition tonight on the first night of the All-Star breakout.