Federal officials could withhold funding from schools that allow transgender women and girls to play women's sports.

In his first weeks back in office, President Trump has enacted — and walked back — tariffs that experts say would have made homebuilding more expensive in Arizona. Why it matters: The National Association of Home Builders (NAHB) warned that Trump's 25% tariffs on Mexico and Canada would directly increase the cost of building materials — and that those costs would be passed on to buyers.