For one of Bill Marler's clients, 22-year-old Stephanie Smith, this debate has painful meaning.

CNN: Should Americans banish the burger?

"As terrible as it is, unfortunately there is nothing we can do, " Assistant Police Chief Stephanie Smith said.

CNN: STORY HIGHLIGHTS

CNN's Niki Cook reported from Paris, and Stephanie Halasz and Laura Smith-Spark from London.

CNN: STORY HIGHLIGHTS

CNN's Diana Magnay reported from Berlin and Stephanie Halasz from London, while Laura Smith-Spark wrote in London.

CNN: Experts defuse unexploded WWII bomb in central Berlin