U.S. President Barack Obama stands in front of Dutch master Rembrandt's The Night Watch painting during a visit to Europe.

Editor’s Note: Nina dos Santos is a CNN news anchor and correspondent based in London. Follow Nina on Twitter for the latest updates on business.

Story highlights

Barack Obama to visit Brussels, the de facto "home" of the EU, for the first time this week

CNN's Nina Dos Santos says Obama should use the trip to revitalize relations between the U.S. and the EU

Trans-Atlantic links have been damaged by allegations the U.S. spied on its European friends

The Transatlantic Trade and Investment Partnership may help reinvigorate the relationship