When a race has been run every year since 2012, it usually wouldn’t be cause to cheer its last year, but that’s the situation here – this will be the 5th, and last, year of the Run for the White Oak Savanna. That’s because the sponsoring group, Neighbors for a Livable West Linn, expects to reach its fundraising goal this year, which will enable it to purchase the remaining acres of the White Oak Savanna for…