> Someone posted here a few months ago about infusing Assam more than once,
> but I don't have any personal experience with that, other blacks, or
> oolongs.

Some Assams take re-steeping: I have one Hattialli here which has a
glorious aroma, even after the second steep. I steep twice with this tea
in the evening, the second steep does not add any caffeine.

JB