Good News Notes: “Britain’s 71-year-old heir-to-the-throne launched a line of designer duds on Thursday — with suitably princely price tags. The Prince’s Foundation launched the line of 10 pieces as part of the hip-sounding Modern Artisan project with Italian retail group Yoox Net-A-Porter (YNAP). They include a $1,550 cashmere men’s bomber jacket, cashmere overcoats for $1,495 as well…