Trump carried Iowa by 9 percentage points in his 2016 contest against Democrat Hillary Clinton. But today, the Register’s Iowa Poll shows the president leading former Vice President Joe Biden by just 1 point — 44% to 43%…

“I think it’s obviously nothing that Joe Biden should take for granted, because he’s not leading,” said pollster J. Ann Selzer. “But if the election were held today, Biden has a far better shot than anybody thought.”…

A March Iowa Poll showed 41% of likely Iowa voters would support Biden in a general election against the president, and 51% said they would support Trump…

The president’s job approval rating has also fallen in that time. In March, his approval rating was above water for the first time in a Register poll, with 50% of Iowans saying they approved of the job he was doing as president. At the time, 46% of Iowans said the country was on the right track — another high-water mark for Trump’s presidency, and the highest that number had been recorded since May 2003.