In the May primary, Williamson will face fellow Democrats Sen. Mark Haas of Beaverton, attorney Jamie McLeod-Skinner of Terrebonne, and first-time candidate Cameron Smith.
Within a week of the walkout, lawmakers passed a bill to raise $1 billion a year for school funding through a tax on Oregon businesses with more than $1 million a year in sales.
Top Democrats propose to cut public employee compensation and divert those resources to fund employer obligations to the pension system, but a coalition of public employee unions plans to fight the cuts in the Capitol and in the courts if need be.
