Millions of Americans sweating out triple-digit temperatures as Europe boils

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ABC News Chief Meteorologist Ginger Zee breaks down a brutal summer forecast for millions from Florida to France. WATCH the ABC News Live Stream Here: SUBSCRIBE to ABC NEWS: Watch More on LIKE ABC News on FACEBOOK FOLLOW ABC News on TWITTER: #ABCNLUpdate #Europe #TripleDigitTemperature #HeatWave #SummerForecast