April 7, 2003 Baghdad's Buses Running Despite Fighting By THE ASSOCIATED PRESS Filed at 4:49 a.m. ET BAGHDAD, Iraq (AP) -- As U.S. tanks rolled through Baghdad, a few Iraqis waited on both sides of the Tigris River for more ordinary transportation: city buses. Others tried to hitchhike, though destinations were unclear and most stores were closed. Dust clouded the air, stirred by a coming windstorm, and an acrid haze blanketed the city from explosions and fires. Iraqi television and radio, still on the air, broadcast patriotic songs and slogans and archival footage of President Saddam Hussein firing a gun...