Oil prices slid about 2 percent on Wednesday after paring deeper losses earlier in the trading session, as Iran reviewed a US proposal to end the war that has disrupted global energy flows from the Persian Gulf. Brent futures fell USD2.27, or 2.2 percent, to settle at USD102.22 a barrel, while US West Texas Intermediate crude futures fell USD2.03, or 2.2 percent, to settle at USD90.32. Earlier