SAN DIEGO — A 25-year-old college student reached a $4.1 million settlement with the federal government after he was abandoned in a windowless Drug Enforcement Administration cell for more than four days without food or water, his attorneys said Tuesday. The DEA introduced national detention standards as a result of the ordeal involving Daniel Chong, including daily inspections and a requirement for cameras in cells, said Julia Yoo, one of his lawyers. Chong said he drank his own urine to stay alive …