Pop icon Madonna dishes on the challenges of single motherhood and living life in a “metaphorical fishbowl” in an interview with Rock Center's Harry Smith.  After more than 30 years in the spotlight, does Madonna ever think about taking a break?

Editor's Note: Harry Smith’s full interview with Madonna, “Truth or Dare,” airs Wednesday, April 18 at 9p/8c on NBC’s Rock Center with Brian Williams.

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