The growth game is back: How many construction cranes are visible from Lake Union? Sixteen? Twenty? New ones seem to sprout weekly, signaling a remarkable rate and concentration of growth. Although Emmett Watson turns in his grave at all this change, growth does provide jobs, tax revenues and a promising future for those emerging from school. And it is far easier to engage in progressive public policy when the private sector is booming. But enthusiasm for growth comes with one big caveat: housing prices.