Oil prices dropped on Friday morning after the US issued a 30-day license for countries to buy Russian oil and petroleum products currently stranded at sea, easing supply concerns. Brent futures dropped 71 cents, or 0.71%, to $99.75 a barrel by 0123 GMT, and US West Texas Intermediate (WTI) crude was down 88 cents, or 0.92%, to $94.85. The license was issued in what Treasury Secretary Scott