House Speaker Mike Johnson (R-LA) backs President Donald Trump on tariffs, he made clear during an appearance at an Axios News Shapers event this week. Trump has the backing of Johnson, who said according to Axios that the tariffs “are working.” “I think the executive has a broad array of authority that’s been recognized over the years,” Johnson said. “If it gets close to where the imbalance is there, then we would step in.” However, if it came to that, Johnson said the first line of defense would be calling Trump directly. “But I think the first protocol, to be...