At first, Joey Porter pledged not to speak with reporters after Super Bowl XL Media Day. Then, he softened his stance and promised to keep his outspoken mouth in check. Wednesday, he took that plan and threw it to the ground like a defenseless quarterback. The Steelers' loquacious linebacker couldn't contain himself yesterday when he learned Seattle Seahawks tight end Jerramy Stevens predicted Jerome Bettis' return to Detroit would culminate with a Super Bowl loss. "I've been asleep all week, but now, I got woke up," Porter said yesterday. "I've got my first taste of blood, and now I'm thirsty...