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Elon Musk, founder of SpaceX and Tesla Motors, unveiled his designs for Hyperloop. The high-speed transit system could make the 400-mile trip from San Francisco and Los Angeles in 30 minutes. Tim De Chant, senior digital editor at NOVA, discusses the plans and whether the system could answer our transit problems.

Sen. Mitch McConnell says both parties are united in helping Ukraine. The House Jan. 6 panel subpoenas Kevin McCarthy and other Republicans. Inflation and recession fears trigger stock selloff.

Former President Donald Trump has been charged with criminal counts in four separate cases — all as he's running for president again. Here's the status of each one.

The Corporation for Public Broadcasting agreed Monday to fulfill a $36 million, multi-year contract with NPR that it had yanked after pressure from the Trump White House.

The Humana Festival of New American Plays is a major event in the theater world. More than 400 plays by some of the world's top playwrights have made their world premieres there since Actors Theatre of Louisville founded it in 1976. And every year Actors Theatre commissions a play specifically for the company's apprentice actors. This year's apprentice show, Sleep Rock Thy Brain, is a suite of three one-acts that all use brain research and stage flying effects to explore the experience of sleep and dreams.

In an interview, Eric Holder says he's open to talking with Edward Snowden about terms of surrender. The attorney general is unhappy with the vote to block a nominee to a top Justice Department post.

The military's reliance on cyberspace is outpacing its ability to defend against cyberattacks, according to Defense Secretary Chuck Hagel. Here's how cyberwarriors are being trained.

Liberians aren't letting a brutal epidemic put a crimp in their amazing sense of fashion. The streets are still full of stylish folks, because as the local saying goes, "Looking good is business."

In 1990, our commentator visited Africa and fell in love with the energy and dreams of its people. Today he sees a land full of promise. But Ebola has revived the image of Africa in chaos.

Rachel Martin talks to food writer Mark Bittman about his new cookbook, "How to Cook Everything Fast," which thumbs its nose at the French tradition of having ingredients prepped before you cook.