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 >>/29975/
Who is "they" that have used lightening as a weapon?

Not Thor, "their" is plural. 

Why are "they" taking out chunks of Ft Worth tarmac?

Conjecture: 
 "They" are electroluminescent asphalt ants which generate high voltages during  fornicatory aggregation; the so-called  clusterfuck phase of collective reproductive activity. 

yellow rubber duck feet offer best protection but ye normies won't wear them for fear of looking ridiculous and dislike of the  slapping sound. 

Recommendation: watch it.