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Former Gov. Howard Dean (D-VT) reenacts his Iowa Caucus "Dean Scream" moment during closing remarks on the second day of the Democratic National Convention at the Wells Fargo Center, July 26, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25.
Former Gov. Howard Dean (D-VT) reenacts his Iowa Caucus "Dean Scream" moment during closing remarks on the second day of the Democratic National Convention at the Wells Fargo Center, July 26, 2016 in Philadelphia, Pennsylvania. Democratic presidential candidate Hillary Clinton received the number of votes needed to secure the party's nomination. An estimated 50,000 people are expected in Philadelphia, including hundreds of protesters and members of the media. The four-day Democratic National Convention kicked off July 25.

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The 'Dean Scream,' then and now

At the 2016 Democratic National Convention, Howard Dean recreated one of his iconic moments from 12 years prior.

The 'Dean Scream,' then and now

At the 2016 Democratic National Convention, Howard Dean recreated one of his iconic moments from 12 years prior.