One Night, Four Weeks. Bryn Roberts, Bridget Riggir, Robin Murphy. September. Window Gallery. One Night, Four Weeks by Bryn Roberts, Bridget Riggir, and Robin Murphy is a recent installment of the student co-operative – Window.  The exhibitions display of The John Weeks Memorial Trust, come baring the disenfranchised relics of an earlier school of Elamites.   The collection of paintings, drawings and prints come carrying names, big and small. Colin McCahon, Don Binney, Toss Woolaston and the trust’s naming-figure John Weeks, together representing some of the major proponents of New Zealand modernism. Among these titans of our tentative national canon, are less certain names – Ben Corban, Adriana Tuscia and Helen Mitchel; but-a-few of the anonymous figures that announce the collections breadth and eclecticism.                                                                                                                                                      Roberts, Riggir and Murphy have not delivered a long overdue survey-show of the collection, but rather presented the artworks collared with their current institutional reliance. Through the snippets of back door politics made available to us, the objects are recast as insurance liabilities, status symbols of the Executive branch, and …