When Barack Obama arrives in Los Angeles tomorrow, he'll be greeted by this ad.

The spot is also scheduled to air in the Sacramento and Fresno media markets.

The Service Employees International Union is trying to prevent the California government from significantly slashing the wages of home health workers, and want the Obama administration back on board. The White House had originally threatened to withhold billions of dollars in stimulus money from the ailing state if they went through with the cuts, but ultimately backed off, leaving workers without much leverage or national support in their effort to get the cuts overturned.