[datapolitical]

"Saving the list" entails creating a copy of the list on the VAN servers (technically, creating an SQL query). It does not mean copying any of the data locally where it could be kept.

It demonstrates the ability of the Sanders campaign to access the Clinton data without actually having the ability to use it once the breach was sealed, which, like the previous breach, it would inevitably be.

It's like making a copy of the personnel files left in the mailroom and sticking them in your mailbox. Lets you demonstrate they got left out in case VAN tries to say the breach wasn't serious.