Tom Ridge joins The Daily Rundown to discuss security post 9/11, saying "there are many changes the public sees and many they don't." Ridge also comments on the safety concerns surrounding the explosion at a fertilizer plant in West Texas.
Fmr. Homeland Security Secy. Tom Ridge joins Morning Joe to discuss why he believes the two bombings at Monday's Boston Marathon were part of a terrorist attack from an unknown group or individual. Ridge also discusses the lack of intelligence the city had before the attack, and why combing through