HALLELUJAH, we have arrived. The days are blurring into warm nights, each morning brings a lemon-fresh sun, and you can’t walk two blocks without salivating over the smell of a barbecue aflame. Sure, there’s a national holiday somewhere around the fourth, but for Portlanders the real reason to celebrate is the sun. The sidewalk tables are set, the drinks are iced, and the seasonal menus runneth over with a riot of berries...