Sentence:  At the very moment that every attempt is being made to take management out from under the irrationality of anti-trust legislation , a drive <WSD>is</WSD> on to abolish collective bargaining under the guise of extending the anti-monopoly laws to unions who want no more than to continue to set wages in the same way that ship operators set freight rates . 
Meaning of the word marked with <WSD> tags:  have the quality of being; (copula, used with an adjective or a predicate noun)