Its estimated 42,000 people took to the streets in Wellington yesterday, protesting Act's Treaty Principles Bill.  NZ Herald Wellington issues reporter Georgina Campbell was in the crowd, and told Nick Mills protestors were upbeat and well-behaved. Also, advice received by local government minister Simeon Brown on the decision to appoint a Crown observer to Wellington City Council has been released - what does it say?  LISTEN ABOVE See omnystudio.com/listener for privacy information.