485 Interview - 140 NOT Approved

[AtlGC_Guy]

Labor PD - 04/2003
140/485 Concurrent Filing - Jan 2004 TSC
Changed Employer after 200 days (August 2004) and 140 NOT Approved.
Employer continuing GC Process.

FP - Oct 2004

Case Transfered to Cleveland Local Office Nov 2004.

140 still pending and got an interview letter for 485. any tips/suggestions?
do i need a lawyer for interview?

Thanks a bunch.