Bob Graham was a colleague, friend, and devoted Floridian whose nearly 50 years of service to his beloved home state and to our country have made America a safer and stronger nation.Bob chose a life of service, working his way up from state legislator, to governor, senator, and presidential candidate. He and I served together in the U.S. Senate, as respective chairs of the Intelligence and Foreign Relations committees in the wake of 9/11, working to heal a shattered nation and to protect America...