Delegates from all over the country, representing some 270,000 Unite Here members, are converging on this city June 25-27 for the union's constitutional convention.
Holmes, one of hundreds of workers who traveled to today's White House Summit On Working Families, explained to Obama about how Walmart mistreated her when she was pregnant.
"We are not letting anybody divide the unions of the Connecticut AFL-CIO!" exclaimed Randi Weingarten to a standing ovation and loud applause.
Obama administration Labor Secretary Thomas Perez is arguing for revisions in federal laws to make them more family-friendly.
Some of the 300 delegates and guests of the Communist Party USA's 30th Convention kicked off their party's gathering with a labor history tour of the Windy City.
San Franciscans will vote this November on whether to gradually increase the city-wide minimum wage to $15 an hour.
Last week, Walmart reported falling sales for five consecutive quarters and the company reported losing up to $3 billion a year because of stocking problems.
The workers are still part-timers, and their compensation is still far from the level that New Haven school custodians enjoyed before the privatization hit.
Workers in the United States know organizing here in the belly of the corporate beast is no easy task.
Retiring UAW President Bob King proclaimed a truism long understood by labor activists - "The amount of power you have determines the amount of justice you get."