1) Unlikely. Use H-1B to join the employer to work. Do not enter on H-1B to be interviewed for work.
2) Yes, as long as you are entering the U.S. to join your spouse who is maintaining H-1B status
This response is general in nature and cannot be construed as legal advice, given that not enough facts are known. Any comments offered on Avvo are of a general nature only, and are not meant to create an attorney-client relationship. If you would like additional information based on this response, please contact my office at 510 657 7665 or 415 902 0832 to schedule a consultation.