No, it isn't safe to cruise

The CDC's new guidance changes nothing. Here's why.

Cruising is not safe.

It doesn't matter if the Centers for Disease Control and Prevention just swapped out its stern "don't cruise" advisory with a milquetoast guide to cruising. It doesn't matter that the CDC said it was time for travelers to "make their own risk assessment."

Nor does it matter that the cruise industry insists all is well because it uses…