Email: What's a deck? [EKW]

Wikipedia says it's a secondary headline or subhead. I usually consider a deck to be a blurb, teaser, or mini-abstract, something like this:

[Headline]Presidential Timber: Bush Vows Tree Harvest to Loggers

[Deck]Just when George Bush should be acting like a lame-duck
president, he mowed down the grass-roots, Greens, and
environmental lobbies at a Tuesday press conference that
was pro-logging and then some. Blogs are ablaze about it!

[Dateline]COON'S BAY, OREGON--[Article begins]