Citi's CFO Mark Mason Says Transitioning To New CFO In A Way That Ensures Bank Reaches Goals; Incoming CFO Gonzalo Luchetti Says Confident In Reaching Target Of Increased Returns; USPB Move To Wealth Makes Sense Due To Clientele; Cards Business Has Enough Scale And Will Grow In New Structure; Mason Says Global Economy Continues To Be Resilient; Expects Fed To Cut Rates On Wednesday; Says Consumer Spending Is Resilient