By Scott DiSavino NEW YORK (Reuters) - Oil prices slid on Thursday, settling about 2% lower as concerns over possible softening of U.S. demand and broad oversupply offset threats to output from the conflict in the Middle East and the war in Ukraine. Brent crude futures fell $1.12, or 1.7%, to settle at $66.37 a barrel. U.S. West Texas Intermediate (WTI) crude fell $1.30, or 2.0%, to settle at $62.37. The International Energy Agency said in its monthly report that world oil supply will rise more rapidly ...