Consequently, Mr. Perle has not been the persuasive spokesman for his own music the way he has been for others', especially Berg's.

Selig was once viewed as an impassioned - but not necessarily persuasive - spokesman of the small-market clubs and the leader of a Player Relations Committee that could claim no victories in the endless battles with players.

In the late 1970s he became a passionate supporter of trucking deregulation and a "persuasive spokesman for reform."

Those credentials combine to make him a passionate and persuasive spokesman for human rights throughout the world.

Industry analysts say that Doug Michels, in particular, has emerged as an articulate and persuasive spokesman for the open systems movement.

Mr. Mann, a freshman Democrat from Cincinnati, described the President as a "persuasive spokesman."

He earned a national reputation as labor's persuasive spokesman on these issues.

His past and current humanitarian activities entitle him to be a most persuasive spokesman for the third world in the U.N. system.

He is, for example, devoted to the Romantic's most persuasive spokesman, the violin; he tests its limits but does not go against traditional string playing technique.

Getting out again might be another matter, but if they succeeded in taking Saint-Just alive, they'd have an extremely persuasive spokesman to get them past the defenses.