The Roth IRA was invented by Congress to incentivize middle-class retirement savings. ProPublica’s Justin Elliott explains how venture capitalist Peter Thiel ended up with $5 billion in his.

Vox’s Dylan Scott explains what an outbreak in a mostly vaccinated beach town taught the CDC about the delta variant.

A Philadelphia election tested progressive ideas on how to reduce shootings in America. ProPublica’s Alec MacGillis explains.

The nation’s murder rate rose by almost 25 percent last year — the largest increase in at least 60 years. This year might be even worse. ProPublica’s Alec MacGillis reports on “The Great Regression.”

Capitol police officers testified on Tuesday in the building they defended on January 6. Seamus Hughes, a former congressional investigator, explains whether their testimony will make a difference.

The 2020 Games were mired in scandal before they even started. Vox’s Jen Kirby explains how things are going now that the Olympics have finally begun.

Vox’s Umair Irfan explains why the United States is seeing another Covid-19 surge. Dr. Rhea Boyd says the country is getting unvaccinated people all wrong.

Transportation Secretary Pete Buttigieg explains what he and his boss are calling a once-in-a-generation spending plan.

President Biden wants infrastructure spending to include child care, elder care, food assistance, even community college. Vox’s Anna North explains how he might convince Republicans in Congress.

America’s sewage system is total crap, but there’s a new plumber in town.

And how it got so dam expensive to build things in America.

It’s a big week for President Biden’s infrastructure plans. Vox’s Li Zhou explains the obstacles in his way, and a historian says one of them is our collective memory.

Britney Spears returned to conservatorship court this week. Vox’s Constance Grady explains how Spears has rapidly become the face of a legal reform movement.

Cubans hit the streets for unprecedented protests against their communist government. CNN's Patrick Oppmann is on the ground in Havana with spotty wifi.

Republicans in Texas are legislating so far to the right the state’s Democrats up and fled to Washington, DC. Vox’s Nicole Narea explains.

The assassination of President Jovenel Moïse is the latest in a long line of setbacks for Haiti’s stability. AyiboPost’s Widlore Mérancourt explains from Port-au-Prince.

Travel around the globe to hear how disparately people are experiencing the pandemic in July 2021.

An estimated 143 million people will relocate to escape climate change in the next three decades. Quartz’s Amanda Shendruk explains how cities can transform themselves into climate havens.

Thirty years ago, Eugene, Oregon, figured out an alternative to the police. They called it CAHOOTS. Seriously.

When people see Deeyah Khan's documentary about white supremacists, they tell her, "The real problem is jihad. You should spend time with jihadists." She says, "I did."

Documentary filmmaker Deeyah Khan grew tired of receiving death threats from white supremacists so she traveled to a Detroit motel to meet up with one.

Getting buzzed helped build civilization.. The Atlantic's Kate Julian explains.

The Trump Organization and its top lieutenant have been indicted for tax fraud. Andrew Prokop says the case could have uge implications for American politics.

A housing watchdog says real estate companies often discriminate against low-income tenants who use federal rental assistance. Now it’s suing.

The discovery of mass graves of Indigenous children in Canada has led to reckonings on both sides of the border.