Brent crude headed for a second weekly gain as the U.S. said it will send military advisers to Iraq amid escalating violence in the OPEC producer. West Texas Intermediate was steady in New York. Futures were little changed in London after rising the past three days. President Barack Obama said he’s dispatching as many as 300 troops to help the Iraqi army battle an insurgency, and the U.S. is prepared to take additional “targeted” action if necessary. WTI is trading near a technical level where last week’s price advance stalled, data compiled by Bloomberg show. “Tensions have grown within the last couple of days,” Hannes Loacker , an analyst at Raiffeisen Bank International AG in Vienna, said today by e-mail. “If there’s a realistic threat that the production in the south will be affected, then oil prices will rise much higher. But, as of today, it seems not to […]