Political notes: The MACo fundraising circuit, Humane lawmakers, FOP backs Ball, and Bidens head to Md.

The Maryland Association of Counties annual summer conference is set to kick off Wednesday in Ocean City, and beyond the official proceedings taking place in the Roland Powell Convention Center and the score of free receptions sponsored by political leaders, lobbying firms and special interest groups, there are at least seven candidate and political committee fundraisers scheduled to coincide with the convention.