How to watch King Charles III’s historic address to Congress live

America has a big milestone birthday this year, 250 to be exact. What better way to mark the occasion than to have the monarchy we declared independence from over to celebrate? This week, King Charles III and Queen Camilla began a four-day state visit to the United States. Today (Tuesday, April 28, at 3 p.m. ET), Charles will address a joint meeting of Congress. Before we get into how to tune in, let’s take a look at the jam-packed schedule for the visit, what’s at stake, and the hi...