Capitol Sprinkler Inspection, Inc., 246 F.R.D. 56, 59 (D.D.C. 2007) (allowing a hybrid witness to testify as to "information gained in his role as Executive General Adjuster with respect to the incident in question" but not to "offer his independent opinions regarding causation, or damages assessments made either after litigation commenced or independent of his assessment of damages as a function of his job as an insurance adjuster"). [read post]