At noon today, (Mexican Mother's Day) members of the UNITE HERE will converge on the LAX Hilton to ask that hotels give housekeepers (most of whom are moms) a break.

The website salary.com released a study today calculating the true cost of a mother's childrearing labor - they calculate that stay-at-home moms' would earn $134,000 a year if paid for all her work; mothers who work outside the home perform an estimated $85K of additional work.