Statement from NBCU CEO Jeff Zucker on the passing of Tim Russert:

We are heartbroken at the sudden passing of Tim Russert. We have lost a beloved member of our NBC Universal family and the news world has lost one of its finest. The enormity of this loss cannot be overstated. More than a journalist, Tim was a remarkable family man. Our thoughts and prayers are with his wife, Maureen, their son, Luke, and Tim's entire extended family.