AP Washington Clinton Sued by White House Chef by D. IAN HOPPER Associated Press Writer WASHINGTON (AP) -- A sexual harassment lawsuit brought by the White House's assistant pastry chef against her boss, the pastry chef, accuses President Clinton of failing to make sure such complaints can be reported. Franette McColloch asserts that Roland Mesnier has subjected her to ''severe sexual harassment'' since 1991, culminating in stress-related medical conditions and retaliation for reporting the alleged harassment. Clinton is named in the suit because, as president and head of the White House, McColloch's attorneys say, he ultimately is responsible for making ...