It's so easy to stay in the studio when there's a deadline, when a series of work is coming together or when it's raining. Yesterday I almost didn't go to Coquitlam's Evergreen Cultural Centre, 10 mins drive from here, for 2 of those reasons. Bettina Matzkuhn's solo show 'Mappa' opened there and will be up until June 3rd. The Opening Reception is on Sunday but…