Men are more likely than women to support the expanded strikes, by a 44 to 33percentt margin, but outright opposition to the campaign is fairly similar, with 19percentt of men and 21percentt of women opposing the strategy.
He described a lockout as the only recourse of the employers in the face of an expanding strike.
"As the umpires expanded the strike zone side to side, you had to put yourself in harm's way to hit the pitch off the outside corner that was being called a strike," he said.
He likewise expanded drone strikes against people suspected of being terrorists and until recently expressed little doubt about their wisdom and necessity.
After promising to withdraw U.S. forces from Afghanistan, President Donald Trump deployed a few thousand additional troops,, expanded air strikes, and dismissed peace talks.
The possible moves towards expanded air strikes came as Isis and the Syrian government, which is engaged in bitter fighting with the jihadis, were both accused by UN investigators of committing war crimes and crimes against humanity.
Republican defence and budget hawks are divided over automatic spending cuts that may hit the Pentagon next month.At Mr Brennan's confirmation hearing, senators seemed unsure whether to cheer or to deplore Mr Obama's expanded drone strikes against suspected terrorists, including American citizens.
Seth Jones, an analyst at the RAND Corporation and author of a forthcoming book about Afghanistan, "In the Graveyard of Empires," acknowledges a possibility that expanded missile strikes, aimed at Taliban leaders across the border in western Pakistan, could affect the fight in Afghanistan.
The US launched air raids against IS militants in Iraq last month and on Monday expanded the strikes into Syria, with the participation of Gulf Arab allies.
