Politico exclusively reports that the Senate Leadership Fund today booked $67.1 million in initial advertising reservations for the fall elections. The buys include: $9.2 million in Arizona (via affiliate group Defend Arizona) $5.5 million in Colorado $12.6 million in Iowa $10.8 million in Kentucky (via affiliate group Keep Kentucky Great) $7.2 million in Maine $21.8 million in North […]