Officials at the M.T.A. and at New York City Transit acknowledged the poor service record but said Mr. Vallone's public demands created an unnecessary controversy.

His motives will be impugned, and unnecessary controversies will hinder presidential decision-making.

Those appearances "were not reasonably necessary" for "self-defense", and would likely spark unnecessary controversy regarding the subject of "homosexuality and the classroom".

But that would mean a loss of time for me and unnecessary controversy.

I want to make a subtle but, I believe, proper distinction between dishonest fence-straddling and reasonable prudence in avoiding unnecessary and irrelevant controversy.

A Bit Off the Wall' "While this unnecessary controversy goes on, more workers will get sick, and some will die," the Massachusetts Democrat said.

Reynolds sought to unite them by avoiding unnecessary controversy.

He later admitted this was a "cop out" but wanted to avoid unnecessary controversy.

I call on everyone to be responsible and to put a stop to this unnecessary controversy.

Unlike the Gnesio-Lutherans, the members of the "centre party" were opposed to any unnecessary controversies involving no doctrinal differences, and careful not to fall into any extreme position themselves.