U.S. Sen. Edward Kennedy, D-Mass., will not go unchallenged in his bid for re-election. At least two Republicans intend to seek the GOP nomination to run against the state's senior senator next year. Neither Ken Chase nor Kevin Scott are known statewide, and neither will have the money Kennedy can bring to the race. Chase is from Belmont and ran unsuccessfully against U.S. Rep. Ed Markey last year. Scott is a former Wakefield selectmen. Chase told the Cape Cod Times that despite 44 years in the Senate, Kennedy has failed to solve many of the nation's biggest problems, including its...