Here’s some news you can use and effuse. Starting today, for one month, 10% of all sales made at Alex Wang’s new store and online and will go to the Japanese Red Cross. Also, in an extra early arrival, the five silver pieces by erotic jewelry maker Betony Vernon from the fall ’11 collection are in, available for caressing and buying. And here’s a behind-the-scenes video documenting the making of the new store, complete with party footage and Lauryn Hill doing her thing…