WASHINGTON - After days of Democratic deference to John Roberts, Sen. Edward M. Kennedy said Thursday that documents made public to date indicate the Supreme Court nominee holds a "rather cramped view of the Voting Rights Act." Materials that Roberts drafted while working at the Justice Department and White House counsel's office during the Reagan administration "certainly raise some questions in my mind about his commitment" to civil rights in general, added the Massachusetts Democrat. While couched carefully, Kennedy's remarks showed a willingness to raise pointed questions at a time when most other Democrats have stuck to pleasantries about Roberts'...