Though asthma-related ER visits have dropped, advocates still worry about industry's impact on health. Could new Allegheny County leadership spell change?

During the hilarious exchange, HuffPost reporter S.V. Dáte posed an oddly worded question to the president - who was left stunned by Trump's quick-witted response.

Allegheny County’s air quality remains mixed while asthma related ER visits drop. Clean-air advocates still continue to fight.

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