Sen. Peter Fitzgerald is keeping mum about who he would like to see succeed him, but some of the Republican's political people are urging RTA Board Chairman Thomas McCracken Jr. to jump into the wide-open GOP primary. "Several people from the Fitzgerald organization have contacted McCracken and asked him to run," a GOP source said. "Some of his people have called and said, 'If you run, the organization is with you.' " Fitzgerald refused to comment. McCracken said he has spoken with members of Fitzgerald's camp and planned to speak to the senator himself--but he declined to elaborate on what...