Barack Obama actually said...

Our message will be clear: As NATO allies, we have a solemn commitment to our collective defense, and we will uphold this commitment.

The First Lady has been a huge asset in terms of reaching out to foreign publics during her time in office.

The more they understand the United States, the more they understand the President and the First Lady and their values and their priorities,...

I think we are all, here in the First Lady's office, quite excited about the upcoming trip.