http://www.slate.com/blogs/blogs/schoolhouse/archive/2008/09/15/green-dot.aspxThe divide between the teachers unions and the charter-school crowd often seems unbridgeable. At an education-reform forum in Denver last month, on the eve of the Democratic Convention, Cory Booker , the mayor of Newark and a member of the pro-charterenCommunityServer 2.1 SP2 (Build: 61129.2)