The US Senate took a major first step into the “joint employer” debate last week when it held a hearing on the NLRB efforts to dramatically expand the longtime definition.  The hearing was held by the Committee on Health, Education, Labor and Pensions, chaired by Senator Lamar Alexander (R-TN).  Earlier this year, Senator Alexander, along with Senate Majority Leader Mitch McConnell, filed legislation to revamp the National Labor Relations Board by adding an additional member, thereby providing an equal number of Board members from each of the Democratic and Republican parties.  Although the legislation has a long way to go, it is indicative of the growing concern in Washington over the NLRB.