The Justice Department accused Google of maintaining an illegal monopoly over search and search advertising in a lawsuit filed on Tuesday, the government’s most significant legal challenge to a tech company’s market power in a generation.

llegally maintaining its monopoly over search through several exclusive business contracts and agreements that lock out competition.

Google’s payment of billions of dollars to Apple to place the Google search engine as the default for iPhones.

Mr. Biden has made the full embrace of strict public health guidelines the centerpiece of his candidacy, while Mr. Trump has continued to defy even the recommendations of his own government on matters as basic as the use of masks — a pattern that persisted in their opposing events on Thursday.

Mr. Trump repeatedly declined to disavow QAnon, a pro-Trump internet community that has been described by law enforcement as a potential domestic terrorism threat.

“I denounce white supremacy, OK?” he replied

The targets are China’s main adversaries: the United States and Taiwan, which are moving closer and closer together.The propaganda has accompanied a series of military drills in recent weeks, including the test-firing of ballistic missiles and the buzzing of Taiwan’s airspace. Together, they are intended to draw stark red lines for the United States, signaling that China would not shrink from a military clash.

Global Times, the voice of the Communist Party’s hawks, warned recently that the United States was “playing with fire” by supporting Taiwan, which Beijing claims as part of a unified China. Taiwan’s president, Tsai Ing-wen, the editorial went on, would be “wiped out” if she moved against Chinese sovereignty.

As always, China’s Communist Party has the ability to dial up propaganda — and to dial it down — to suit its domestic and geopolitical goals.

Top White House officials are blocking strict new federal guidelines for the emergency release of a coronavirus vaccine, objecting to a provision that would almost certainly guarantee that no vaccine could be authorized before the election on Nov. 3, according to people familiar with the approval process.

By refusing to allow the Food and Drug Administration to release them, the White House is undercutting the government’s effort to reassure the public that any vaccine will be safe and effective, health experts fear.

“The public must have full faith in the scientific process and the rigor of F.D.A.’s regulatory oversight if we are to end the pandemic,”

6-year-old Nathaniel Julies, was of mixed heritage, or, as it is still known, colored, a vestige of apartheid-era South Africa’s racial classification.

Death at the hands of the police in South Africa is hardly uncommon — by one estimate, each day a South African dies in a police action.

The authorities initially tried to suggest that Nathaniel had been shot during an exchange of gunfire between police officers and gang members. But within days of the killing, they charged the three officers.

the State Department has begun what it calls “the clean network initiative,” making sure that data is not tainted by adversaries, starting with China.

On Capitol Hill, the China problem many politicians still fume about is cheap Chinese goods, ignoring the fact that China’s labor is no longer inexpensive.

Russia is actively pursuing a disinformation campaign against former Vice President Joseph R. Biden Jr

A homeland security official has accused the Trump administration of soft-pedaling both the Russian and white supremacist threats because they would make “the president look bad.”

secretary of homeland security, Chad F. Wolf, who was ordered to testify but skipped the appearance, defying a congressional subpoena.

stemming from U.S. support for Saudi Arabia and the Emirates as they have waged a disastrous war in Yemen, using American equipment in attacks that have killed thousands of civilians