Originally Posted by
gfunkdave
If you're enough of a connoisseur to do a vertical then the wines should be in separate glasses. That's just How It's Done.
The restaurant waiving the corkage was very nice. Usually I tip extra and/or ask the waitstaff if they'd like a taste of the wine(s) when they waive corkage.
Especially if you are doing a simultaneous tasting where you want to compare the vintages. How in the world do you do that without separate glasses?