What does Trump’s State of the Union mean for his reelection?

U.S. President Donald Trump delivers the State of the Union address to a joint session of the U.S. Congress in the House Chamber of the U.S. Capitol in Washington, U.S., February 4, 2020. Credit: REUTERS/Joshua Roberts.

President Trump delivered his State of the Union reelection speech on Tuesday, with Republicans cheering and united behind him. Democrats were embarrassed by tech problems during the Iowa caucuses, and by the poor showing of Joe Biden. Is Trump unstoppable?