Overview
Politico quoted George Callas in an article titled "Sanders and Warren Want to Tax the Rich. Here's Why Their Plans Could Work." The article, published November 16, discusses proposed tax-the-rich plans from Senators Elizabeth Warren and Bernie Sanders and whether they are constitutional.
Precedents for legislative triggers do exist, like a balanced budget measure from the Reagan era known as Gramm-Rudman-Hollings. But Callas says that lawmakers decided against tax triggers multiple times during his span as a GOP tax aide on the Hill. "We discovered time and time again that drafting a tax increase with an effective date that is contingent upon an uncertain future event is very tricky," he says.
The full article can be read at Politico.