Jacob Soboroff @jacobsoboroff
Cal, we love you and are so very sorry. Your MSNBC family is extraordinarily grateful to your dad for one of his greatest accomplishments — you — our dear colleague and friend. — PolitiTweet.org
Cal Perry @CalNBC
Our father, Mark Perry passed away early this morning. He was a historian, journalist, author and peacemaker — a hu… https://t.co/D789U6O6ZO