To plead guilty or not in court? "Failure to yield left"

Common scenario. You cant rely on the other driver, but must act without negligence.

Can my license really be suspended?

Varies from state to state. You should talk to local lawyer, Often driver and owner are required to have liability ins.

If the other driver insurance company excepts liability are they required to pay for your rental?

Small claims court may be an option. Discuss that with a local lawyer,

How can I get a lawyer to take a case for loss of limb?

gather the medical records, policy, correspondence, etc and take to a local lawyer for review.

Hard to determine. Possibly both of you were negligent.

Dismissal is mandatory 5 yrs, and discretionary after 3 yrs if trial hasn't started. You can file a motion for dismissal.

Can a defendent use attorney-client priviledge as a response on the "Answers & Interrogortories" forms?

Attorney client privilege can be a proper objection at times. Doubtful it is valid for all the interrogs you sent. You must meet and confer, and...

Unlikely you can prevail at this point due to lack of privity, and amount of time.

Notify the entity you sent the sdt to that you are withdrawing it, and then send a confirming letter. Notify the other party as well. if nothing...

Can I make a prima facia case to prove someting by my own testimony?

Yes you can make a prima fascia showing this way. The other side can then seek to attack it.