US President Donald Trump touted his economic record during the longest State of the Union address in history on Tuesday, boasting that he had ushered in a “golden age” as he sought to project an aura of success at a fraught moment for his presidency.Heeding calls from advisers worried that his sagging approval ratings augur a challenging midterm election in November, Trump spent the first hour of his televised speech focused on the economy, saying he had curbed inflation, driven the stock market to record heights, signed sweeping tax cuts and lowered drug prices.For all the latest headlines, follow our Google News channel online or via the app.“Our nation is back -- bigger, better, richer and stronger than ever before,” he said after taking the stage to cheers of “USA, USA” from his fellow Republicans in Congress, with dozens of empty seats on the Democratic side a reminder that many lawmakers boycotted the speech in favor of anti-Trump rallies outside.The annual speech to Congress