“Lender warfare” is all the rage these days. In Sunday’s Members’-only a$$-kicking briefing, “💥Oaktree's Howard Marks: "I don't think of it as 'screwing'‘💥,” we discussed the TriMark USA situation in which Oaktree Capital Management, Ares Capital Management and other funds smoked lenders in their group with a sneaky new money loan and uptier exchange.…