Poaching clients illegal

Likely yes. This sounds like tortious interference with prospective contractual relations. You should consult a trusted Pennsylvania attorney...

Two guys came close to my windows (I had the blinds open) and started disturbing me by staring and laughing, is this illegal?

You need to call the police if this occurs again. This could be harassment.

Generally, someone cannot sue another person for a return of a gift with the exception of engagement rings which fall under special rules in most...

Transportation companies often perform regular inspections of driver's backgrounds and driving records as required by law or to meet the standards...

How due I sue Twitter?

I would contact Twitter directly and request your account be reactivated. It is possible they have another policy that they consider violated. ...

Can a university be sued for misrepresentation of a course?

Yes, it would seem possible that you have a claim for detrimental reliance. You should reach out to a local attorney dealing with education law...

You can contact her and request a copy of the response to his motion. Additionally ask the reason you were not provided a copy and demand a copy...