The newest installment of our segment Long and Short.

Leigh Gallagher and Felix Salmon join Kai Ryssdal to recap the week that was.

Both young and charismatic CEOs were ousted from their own companies. One came back.

Now he has to figure out how to keep it interesting and bring people back.

The hard-to-define company still hasn't picked a permanent CEO.

A collaboration with Square allows campaign contributions directly from tweets.

Do companies look for homegrown candidates or bet on an outsider?

Nothing succeeds with Wall Street like getting bigger.

The social media site isn't doing too bad for itself.

More on the challenges facing Twitter ahead of its earnings report.