Happy anniversary, Negroni!

Negroni Source: Geoff Peters from Vancouver, BC, Canada - Negroni (drink), CC BY 2.0, https://commons.wikimedia.org/w/index.php?curid=9572176
As part of our segment on good wine, "In Vino Veritas", today Sydney-based, Florence-born sommelier Piero Fonseca tells us not about a wine, but about a cocktail, which this year celebrates 100 years: Negroni.
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