[pt.1]: Considers H.R. 8093 and similar bills, to amend Merchant Marine Act of 1936 to eliminate 6% differential favoring Pacific Coast shipbuilders for construction of merchant marine vessels; pt. 2: Continuation of hearings on H.R. 8093 and related bills, to amend Merchant Marine Act of 1936 to eliminate 6% construction differential applying to Pacific Coast shipbuilders.