Bringing up the Iowa caucuses should come with a trigger warning for Iowa Democrats like Pat Copley.

"I was in shock," Copley, who lives in Marshalltown, Iowa, said. "And then it just went on and on ... and on."

Cardboard beds. Urban farms. Roving mariachi bands.

These are some of the ways that regular folks are solving problems and spreading happiness during the pandemic.

The solutions aren't perfect — public health experts have some critiques and suggestions. But at the same time, they applaud the ingenuity and positive vibes.

Read the stories of six grassroots change-makers — then nominate your own at the bottom of this story.

President Trump on Saturday was photographed wearing a mask during a visit to the Walter Reed National Military Medical Center, after months of refusing to don the medical expert-recommended face coverings meant to help slow the spread of the coronavirus.

"I love masks in the appropriate locations," Trump said, speaking to reporters at the White House before his visit.

Thomas Chatterton Williams, along with more than 150 prominent journalists, authors and writers, published a letter in Harper's Magazine on Tuesday, decrying what it called the "intolerant climate that has set in on all sides" of debate. The letter set off a heated controversy over free speech, privilege and the role of social media in public discourse.

Nearly four months after it closed over coronavirus concerns, Disney World is once again inviting guests to experience its Florida theme parks.

The reopening comes as Florida is experiencing a surge of new coronavirus cases, with more than 10,000 being reported on Saturday.

Both Magic Kingdom and Disney's Animal Kingdom opened Saturday to the general public, following limited openings for annual-pass holders and employees. The other two area parks — Epcot and Disney's Hollywood Studios — are expected to open on Wednesday.

Updated at 9:20 p.m. ET

As Zuleika Yusuf Daffala walks across Kibera, one of the big informal settlements in Kenya's capital, she greets dozens of kids on the streets. Some are jumping rope, others chasing each other through the alley and another group is trying to make a tiny cooking pan out of an aluminum can.