More than US$20 billion per year in giving is potentially at stake.
If Americans become less healthy and have less access to health care, then everyone loses.
Republicans rewriting the tax system have a rare opportunity to fix a major problem: most women-owned companies can't take advantage of key provisions designed to help small businesses like theirs.
With some tinkering, a federal tax credit that encourages developers to create new units that low-income Americans can afford to rent might yield other benefits.
The tax changes Trump and GOP lawmakers propose would reduce charitable giving, research suggests. But letting everyone use a tax break mostly enjoyed by the rich might prevent that.