By Harriet McLeod CHARLESTON, South Carolina (Reuters) - Rapper DMX was arrested on Friday on suspicion of driving under the influence and failing to have a valid driver's license, Greenville County jail officials told Reuters. The rapper, whose real name is Earl Simmons, paid $1,235 in bail and left Greenville County Detention Center after being booked on the charges, jail officials said. But a representative for the 42-year-old New York-born rapper, who lives in South Carolina, said the DUI charge was never filed officially because Simmons passed a breath test in the jail. ...