Bid has attracted local criticismOrganizers say event would create thousands of jobsThe group trying to bring the 2024 Olympics to Boston released the most detailed look yet at its bid for the summer Games on Monday, unveiling a $4.6bn plan it says would create jobs and housing, expand the tax base and leave behind an improved city with a $210m surplus.The announcement was designed to answer critics who say the privately funded Boston 2024 has withheld details of the bid to prevent the public from assessing whether the games could be staged, as promised, without the need for taxpayer money.