"The doctors are encouraged by his progress, he is awake and alert, and we are optimistic he will make a full recovery," the statement said in part. U.S. Sen. Chris Murphy of Connecticut has been hospitalized after suffering a stroke, according to his chief of staff.Murphy started experiencing numbness in his arm while at his son's hockey game Saturday, his chief of staff said in a statement. He was taken to a local hospital, where doctors determined he had suffered a stroke.Murphy was transferred to Johns Hopkins for further monitoring and is responding well to treatment.Watch NBC 4 free...