U.S. cybersecurity firms are making headlines with reports of online attacks by Russia and other foreign actors. Why are tech companies taking the lead, rather than the U.S. government?

Lehrer chronicled such weighty events as John F. Kennedy's assassination and the 1973 Senate Watergate hearings. For years, he and lifelong friend Robert MacNeil co-anchored The MacNeil/Lehrer Report.

Saying "birth tourism poses risks to national security," the State Department tells consular officials to deny a visa if they believe a potential visitor has the "primary purpose" of giving birth.

Prosecutors say Isabel dos Santos, billionaire daughter of Angola's ex-president, engaged in rampant financial misconduct — following the release of over 700,000 documents known as the Luanda Leaks.