Fisher is not alone. Mary Ingham, 52, described a similarly disrupted television viewing routine, spurred on by the negative impact she fears the president is having on her 7-year-old niece. “I used to go home at the end of the day and watch ‘The Big Bang Theory,’ ” Ingham said. “Now I go home and watch MSNBC. Then when I wake up, well, my TV is already tuned to it.”

Interviews with more than a dozen voters, at the Iowa State Fair here and elsewhere, reveal a Democratic electorate wearied by Trump’s near-constant stream of incendiary behavior and racially tinged — and at times overtly racist — invective…

“If you elect me president, I promise you won’t have to think about me for 2 weeks at a time,” Bennet wrote earlier this month. “I’ll do my job watching out for North Korea and ending this trade war. So you can go raise your kids and live your lives.”

In an interview, Bennet said his tweet reflected a sentiment he has been hearing from voters, but rejected the notion that he’s lobbying to be the nation’s next mundane commander-in-chief. “No! No! No!” he said. “I don’t want a boring president either, but I’d like to have a president who is competent again to do the job.”