Rep. Tauzin’s (R-La.) selection as next chmn. of House Commerce Committee was all but official Tues., well-placed sources told us, after House Rules Committee released long-rumored proposal to create expanded Financial Services Committee. New panel is expected to be headed by Rep. Oxley (R-O.), Tauzin’s rival to succeed former Commerce Committee Chmn. Bliley (R-Va.). Full House will vote today (Wed.) on committee changes, and Republican leadership will choose committee heads Thurs.