Oil prices fell on Friday, with Brent slipping away from the $70 mark reached the previous day, pulled down by worries about progress in the U.S.-China trade talks.  International benchmark Brent futures dropped 15 cents, or 0.2 percent, to $69.25 a barrel by 0455 GMT, having touched $70.03 in the previous session, the highest since Nov. 12. U.S. West Texas Intermediate (WTI) crude was down 1 cent at $62.09. The contract fell 36 cents in the previous session, having hit $62.99 on Wednesday, its highest since Nov 7. Weighing on prices are concerns that an economic slowdown could dent fuel consumption, traders said. The United States and China, the world’s two biggest oil consumers, could be close to a deal to end their trade […]