Many election officials fear that the Trump administration is laying the groundwork to challenge the midterm results in November if they do not favor Republicans. Our White House correspondent Zolan Kanno-Youngs describes what the administration is doing.

As the U.S.-Israeli war with Iran continues, it’s being felt in a wider region. Eric Schmitt, a national security correspondent at The New York Times, explains how the conflict is reaching U.S. bases and why the United States is pulling back its military presence in some locations.

Vice President JD Vance claimed that the White House anti-fraud task force found $250 billion of fraud. Our reporter Linda Qiu explains why that claim is exaggerated.

The Centers for Disease Control and Prevention has lost close to 30 percent of its staff in the past year, with big turnover in top leadership and entire teams effectively shut down. Our health reporter Apoorva Mandavilli explains how these changes have affected the work of the department.

Our White House and national security correspondent, David Sanger, compares past “forever wars” that President Trump campaigned against with an Iran War that has no clear endgame.

Our polling reporter Ruth Igielnik describes what likely voters told us in the latest Times/Siena poll leading up to this year’s midterm elections.

The Department of Homeland Security is in the midst of a weeks-long hunt for noncitizens among the nation’s registered voters despite the absence of evidence of widespread fraud. Reporter Hamed Aleaziz breaks down how a D.H.S. agency is using open-source state voter registration websites in their search for voter fraud.

Shane Goldmacher, one of our national political correspondents, looks at the Republican candidates who spoke this week at their party’s unusual midterm convention, called a “Trumpapalooza.” Some other vulnerable candidates avoided it because of President Trump’s unpopularity.

Our politics reporter Reid Epstein explains how the Trump administration is using the Postal Service to intervene in mail-in voting in state elections.

Our White House correspondent Zolan Kanno-Youngs explains how so-called third-country deportations are sending immigrants to countries across the globe.

Our energy reporter Rebecca F. Elliott explains how oil reserves helped prevent an oil shock caused by the war in Iran from getting even worse — and how low those reserves are now.

Our reporter Julian E. Barnes, who covers U.S. intelligence agencies, describes how the Trump administration has been looking for a current or former Cuban official to take over the island’s government.

Dozens of U.S. water systems have been the targets of cyberattacks in the past week. Our reporter Dustin Volz explains how Iranian hackers are suspected, and how President Trump has cast blame elsewhere.

Our politics reporter Kellen Browning went to the Democratic Socialists of America’s national summit in Chicago to learn more about the group’s new platform.

In theory, the War Powers Act gives Congress the power to end a war. But our chief White House correspondent, Peter Baker, describes how President Trump is the latest president to find ways to engage in war without congressional approval.

Our investigative reporter Eric Lipton explains how earlier this month President Trump abruptly switched aircraft when leaving Turkey because of a credible threat that Iranian proxies were targeting a new Air Force One that had omitted key security modifications needed for a Qatari Boeing 747.

Our Pentagon correspondent Helene Cooper explains how a lack of transparency reflects a tension between the Pentagon’s claims of operational security and the American public’s right to know what the military is doing in Iran.

ICE has been trying to continue its mass deportations without drawing headlines. Our White House correspondent Zolan Kanno-Youngs explains how two fatal shootings at traffic stops raise the question of whether the Trump administration can continue its campaign without deadly consequences.

Our Justice Department reporter Devlin Barrett describes how Todd Blanche, President Trump’s former personal lawyer and current nominee for attorney general, has helped Mr. Trump gain more control over the Justice Department.

The U.S. and Israel were united in going to war with Iran to change the regime. Mark Mazzetti, a New York Times investigative reporter, explains how the failure of Israel to install Mahmoud Ahmadinejad as Iran’s new leader led the U.S. to narrow its efforts in Iran to just launching attacks with no plan for a new government.