Oil rose a second consecutive week as investors monitored progress made Friday on debt-ceiling talks to avoid a US default. Republican and White House negotiators were moving closer to an agreement to raise the debt limit, according to people familiar with the matter. Still, the agreed-upon details are tentative, and a final accord is not in hand. Prices:  WTI for July delivery rose 84 cents to settle at $72.67 a barrel in New York.  At that level, the contract is up about 1.6% for th ....