President Donald Trump, a Republican, has taken a lead over current President Joe Biden, a Democrat, on the eve of the latter’s planned State of the Union address this week in Congress, a poll shows. Trump, at 48 percent, leads Biden’s 45 percent by 3 percent. One percent said they would vote for someone else, 3 percent said they would not vote for either Trump or Biden, 2 percent said they would not vote, and 1 percent had no opinion. The survey, from the Washington Post and ABC News, represents a five-point swing Trump’s way from the pollster’s last such...