Just do it: vote for Obama? We’re wondering how Nike execs feel about Barack Obama’s Twitter account broadcasting that image to the world since it’s unlikely they rubber-stamped this use of “Just Do It.”

The shirt may not be official campaign merchandise, but by tweeting the photo, Team Obama gave its tacit endorsement to the display of Nike’s trademark slogan on pro-Obama gear.

As always, the Twitterverse took note:

https://twitter.com/#!/katearthsis/status/198825503442993152

https://twitter.com/#!/connoredwards/status/198813064483713025

https://twitter.com/#!/adomasb/status/198819335890935809

https://twitter.com/#!/David_Torrence/status/198816692938346498

https://twitter.com/#!/Oenonewept/status/198810734916927488

https://twitter.com/#!/WeeDiddy/status/198817448399618048

https://twitter.com/#!/jeffunderwood71/status/198811498439655426

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