The Washington State House has passed a significant income tax aimed at millionaires following an intense 24-hour debate, culminating in a narrow 51-46 vote. Advocates assert that the tax, which expands the Working Families Tax Credit to 460,000 additional households, represents a crucial step in addressing economic inequalities. However, the move has sparked protests and criticism, with opponents arguing it could harm small businesses and lead to capital flight. As the bill heads to the Senate for confirmation, Governor Bob Ferguson has indicated his support for the revised proposal, despite concerns from some sectors about its potential impact on the economy and innovation.