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Emmy highlights: Mariska Hargitay sings, Taylor Swift acts in a skit and Jean Smart wins

The Emmy Awards are underway. “The Pitt” and “Widow’s Bay” are generating buzz as they compete for top prizes. The ceremony is also honoring the anniversaries of “Buffy the Vampire Slayer” and “Charlie’s Angels.” Here are some highlights as the show roars into the night. The host with the mostest Mariska Hargitay kicke