By Laila Kearney NEW YORK (Reuters) -Oil prices see-sawed on Tuesday, as worries that a slowing economy could cut demand vied with news that some oil exports had been suspended on the Russia-to-Europe Druzhba pipeline that transits Ukraine. Crude prices have been under pressure for weeks as fears mounted that a recession could cut oil demand. Brent crude lost 77 cents, or 0.8%, to $95.88 a barrel at 1:01 p.m. EDT (1701 EDT). U.S. West Texas Intermediate (WTI) crude fell 88 cents, or 1%, to $89.88 a barrel. Earlier in the session, both benchmarks rose by more than $1 a barrel. Russian pipeline …