The third shoe has now dropped. On Monday we told you that Schlumberger has cut an additional 11,000 jobs--20,000 total now gone--from the payroll (see Schlumberger Cuts Another 11K Jobs, 15% of Workforce Gone in 4 Mos). Yesterday Baker Hughes cut an additional 3,500 jobs--10,500 now gone (see Baker Hughes Follows Schlumberger, Ups Layoffs to