Conservative Watchdog Claims Anti-Trump Group Violated Tax Laws

A high-profile progressive organization, known for its fiery ads against President Donald Trump, may have violated its tax-exempt status by blurring the line between nonprofit and political activities, according to a complaint filed Thursday with the Internal Revenue Service by a conservative watchdog group.

The Patriots Foundation, a Republican-leaning ethics organization based in Iowa, says American Bridge 21st Century Foundation, a nonprofit, is primarily a political organization, in violation of tax laws. The group also raises questions about a $2.7 million investment in a for-profit company co-owned by its founder, David Brock, a Democratic operative.

American Bridge has a ...