SI Fan Nation Dolphins Publisher Alain Poupart is joined by Miami Herald columnist (and former colleague) Omar Kelly to break down the addition of Calais Campbell, his media session and what he'll bring to the defense, the Tua contract after the Trevor Lawrence extension, a 2007 history lesson and Cam Cameron's forgettable one season, and more. You can follow Poupart at @PoupartNFL or check out Dolphins coverage at si.com/nfl/dolphins.

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