By Shariq Khan NEW YORK (Reuters) -Oil prices were little changed on Tuesday, pressured as the dollar jumped to its highest in a month but supported by jitters about the impact to energy supplies from escalating tensions in the Middle East. Global benchmark Brent crude futures rose 14 cents, or 0.2%, to settle at $78.29 a barrel. At the session high, Brent futures were up by a dollar a barrel. U.S. West Texas Intermediate crude futures (WTI) ended at $72.40 a barrel, down 28 cents, or 0.4%, from Friday’s settlement. U.S. markets were closed for a public holiday on Monday. “Oil prices are looki…