Baruch A. Fellner - Gibson Dunn & Crutcher, LLP, - Univ. of Pennsylvania Law School, - University of Pittsburgh, - Occupational Safety & Health Law Project, - AFL-CIO, - Vanderbilt University, Adam M. Finkel - Gibson Dunn & Crutcher, LLP, - Univ. of Pennsylvania Law School, - University of Pittsburgh, - Occupational Safety & Health Law Project, - AFL-CIO, - Vanderbilt University, John Mendeloff - Gibson Dunn & Crutcher, LLP, - Univ. of Pennsylvania Law School, - University of Pittsburgh, - Occupational Safety & Health Law Project, - AFL-CIO, - Vanderbilt University, Randy Rabinowitz - Gibson Dunn & Crutcher, LLP, - Univ. of Pennsylvania Law School, - University of Pittsburgh, - Occupational Safety & Health Law Project, - AFL-CIO, - Vanderbilt University, Peg Seminario - Gibson Dunn & Crutcher, LLP, - Univ. of Pennsylvania Law School, - University of Pittsburgh, - Occupational Safety & Health Law Project, - AFL-CIO, - Vanderbilt University, W. Kip Viscusi - Gibson Dunn & Crutcher, LLP, - Univ. of Pennsylvania Law School, - University of Pittsburgh, - Occupational Safety & Health Law Project, - AFL-CIO, - Vanderbilt University