Robert F. Kennedy Jr.’s False Claims and Conspiracy Theories A longtime vaccine skeptic, Mr. Kennedy is leaning heavily on misinformation as he mounts a long-shot 2024 campaign.

Kennedy, Christie and the Supreme Court: Are They Changing the Race? A painful ruling from the court can sometimes free a party from an unpopular stance.

With High Court Under Fire, a Top Federal Judge Suggests More Sunlight Judge Amul Thapar, the author of a new book on Justice Clarence Thomas, defends him but says courts should foster greater public understanding of how they work.

Prosecutors Face Conspiracy Theories in Jan. 6 Trial A man charged with plotting to storm the Capitol is the latest to use baseless assertions as a defense, leading prosecutors to warn of “a circuslike atmosphere.”

Biden Hosts Sweden’s Prime Minister as the Nordic Nation Looks to Join NATO President Biden backs the plan for Sweden to join the military alliance, but movement has been stalled by Turkey’s opposition.

Secret Service Investigating Who Brought Cocaine Into the White House A baggie that was confirmed to contain cocaine was found in the guest lobby of the West Wing on Sunday evening, an agency spokesman said.

Pentagon Review Faults Oversight of Classified Information Defense Secretary Lloyd J. Austin ordered the assessment after accusations that an Air National Guardsman disclosed sensitive information.

Where Trump, DeSantis and the Other Republican Candidates Stand on Ukraine The war has illuminated one of the biggest ideological divides within the Republican Party: between members who see a significant global role for the United States, and a more isolationist wing.

The D.N.C. Has a Primary Problem The White House wanted South Carolina to vote first in 2024. The Democratic National Committee obliged. It hasn’t gone according to plan.

Lawmakers Seek More Long-Distance Flights From Reagan National Airport Dozens of lawmakers are seeking to loosen a law that limits long-distance flights to and from Ronald Reagan Washington National Airport. For some of them, success could mean a shorter commute.

Trump Won’t Campaign at a July 4 Parade, but Other Republican Hopefuls Will But for early-state G.O.P. voters hoping for more attention on Independence Day, the pickings will be plentiful: Mike Pence, Ron DeSantis and others will be on the trail.

Biden Sidesteps Any Notion That He’s a ‘Flaming Woke Warrior’ Despite his alliance with abortion-rights supporters and L.G.B.T.Q. advocates, the president has deftly avoided becoming enmeshed in battles over hotly contested social issues.

Republicans Have to Sign a Loyalty Pledge to Debate. Who Will and Who Won’t? Donald J. Trump and Ron DeSantis have not given straight answers on whether they will sign the pledge, which is required to make the debate stage.

Russia’s Embassy in Washington Becomes a Different Kind of Battle Zone The compound has turned into the scene of protests, spy games and general weirdness as the most hostile relations in decades play out between the United States and Russia.

What to Know About a Seemingly Fake Document in a Gay Rights Case A supposed request for a website for a same-sex wedding played a minor role in a major clash between free speech and gay rights at the Supreme Court.

Pro-Kennedy Super PAC Says It Has Raised $10 Million A super PAC backing Robert F. Kennedy Jr. said an even mix of Republicans and Democrats contributed to its $10.25 million haul.

DeSantis, Seeking Attention, Uses L.G.B.T.Q. Issues to Attack Trump The Florida governor sought to contrast his record opposing gay and transgender rights in a video highlighting comments made by the former president during the 2016 campaign — but has gotten some pushback.

Hunter Biden’s Daughter and a Tale of Two Families The story surrounding the president’s grandchild in Arkansas, who has not yet met her father or her grandfather, is about money, corrosive politics and what it means to have the Biden birthright.

Trump Attacks Biden and Federal Law Enforcement at Fourth of July Event Ahead of a holiday meant to celebrate the country’s history, the former president tore into American institutions and attacked his political opponents.

Lithium Scarcity Pushes Carmakers Into the Mining Business Ford, General Motors and others are striking deals with mining companies to avoid raw material shortages that could thwart their electric vehicle ambitions.