Residents of the 130-plus apartments in the Mascot Tower apartment block in Sydney's South were evacuated over the weekend when cracks in walls and supporting beams suddenly widened. JimmyT and Sue Williams discuss what this means for the residents of this block and all the others built in Sydney to the same standards around the same time. And they come up with a proposal to at least stem the waves of panic and confusion the next time this happens as, they say, it surely will ...