Make it easier to run a business. Make it effortless to register as a business, get your business license, and to pay taxes.
Close tax loopholes. Make the tax code incredibly simple and difficult to game
Tax companies based on the amount of wealth they create for their employees. Companies who benefit their local community, their employees, and the environment should have almost no tax bill
Tax heavily the companies who create pollution. Incentivize the companies who create systems that greatly reduce our carbon footprint.
Tax heavily the companies that make fortunes while their employees are impoverished. Making a fortune is not a bad thing, making a fortune while your employees need government assistance is the behavior we most need to curtail.
Infrastructure that is intended to bring out the contributions of a larger portion of our society. Make housing affordable and available. Create roads that permit everyone in the city to get around inexpensively, safely, and conveniently. Provide training for people who want training. Make the United States the most competitive workforce in the world.
Avoid wars of morality like same-sex marriage, the war on drugs, abortion, and other political war calling cards. Make most things legal. Use incentives to curtail damaging behavior and get people the help they need and use taxes to provide it.