June 20, 1986

Dart & Kraft Inc. will split into two companies, undoing much of the 1980 merger of Kraft Inc., the food powerhouse, with Dart Industries, the industrial and consumer products concern. The larger of the two companies, to be called Kraft Inc., will consist of two strong divisions: Kraft foods and Duracell batteries, the company's board decided today. It is expected to have sales of about $8 billion this year. The other company will be formed from four less stellar performers: Tupperware, West Bend consumer products, Hobart food equipment and the Wilsonart plastics. This company - as yet unnamed - is expected to have annual sales of about $2 billion.

''THERE'S something very exciting for me about putting the pieces together,'' Louise Roberts said the other day. ''You chop. You peel. And pretty soon you've got a wonderful dish.'' Miss Roberts's enthusiasm has carried her through 16 tumultuous years as director of Clark Center, an adventurous grass-roots organization that has developed a reputation for training dancers, producing dance by new choreographers and nurturing the ethnic and minority dance troupes that were just beginning to come into their own in 1959, when Clark Center was founded. But the ''dish,'' in this case, is one of the most ambitious projects the center has ever undertaken.

Richard W. Miller, the only Federal Bureau of Investigation agent ever charged with spying, was convicted today on six counts of espionage for the Soviet Union and bribery. After 21 hours of deliberation, the jurors told Federal District Judge David V. Kenyon that they were deadlocked on another charge against Mr. Miller, whether he had accepted an expensive trench coat as a bribe. The Government then moved for dismissal of that count, and the six verdicts of guilty were read aloud. Two of the charges carry a maximum penalty of life in prison.

To his supporters, John Harrington was the epitome of a good small-town police chief: tough, but not too tough, even-handed, compassionate and concerned about the community. But to others, Mr. Harrington was a leader who harassed his own men, who practiced an old-fashioned style of justice out of synch with the increasingly sophisticated village. Eventually, he was described as a man who had lost control of his own force. Mr. Harrington was an institution here, a 41-year veteran of the Sag Harbor Police Department - and since 1961, the force's chief - a big, brawny man who was as familiar to many people as the flag pole on Main Street.

The Supreme Court ruled unanimously today that sexual harassment of an employee by a supervisor violates the Federal law against sex discrimination in the workplace. Sexual harassment that is ''sufficiently severe or pervasive'' to create ''a hostile or abusive work environment'' is a violation even if the unwelcome sexual demands are not linked to concrete employment benefits, the Court ruled, as several lower courts have previously held. But the opinion, written by Justice William H. Rehnquist and joined by five others, said companies are not ''always automatically liable for sexual harassment by their supervisors.'' Women's groups had argued that they were, and a Federal appellate court had agreed.