Twenty years after the introduction of the theory, we revisit what it does—and doesn’t—explain. by Clayton M. Christensen, Michael E. Raynor and Rory McDonald Please enjoy this HBR Classic. Clayton M.

The Supreme Court lifted restrictions against aggressive immigration enforcement tactics by federal agents in central California that had been challenged by critics. The dispute over President Donald ...

Melissa Lambarena is a senior writer on the credit cards team at NerdWallet. She has enthusiastically covered credit card-related topics for over nine years. Her prior experience includes nine years ...