The Address and The Reponse
Here are some great insights by Fr. John T. Zuhlsdorf that I encourage you to read. In the meantime, let us stand by the Holy Father for he has approached this with courage and humility, offering him our Rosaries. Viva Il Papa!
Prof. Adel Theodor Khoury & Pope Benedict
Civilized dialogue: The Regensburg Address
The Holy See's First Encounter With Islamic Terror
Benedict did not grovel during his Angelus address