Yes.
Only if your employer happens to be a branch of the US military.
As little or as much as the employer wants, as long as there are no falsehoods.
>if an empoyee wants to he or she can ignore and escape the presence and influece of the employer while at the workplace<
yes, they can when the interested employer wants to know all about his perspective new employee
The destitute wife should contact the employer if she wants this to be done and ask the employer if it possible to do this IF she does request to do it.
both the employer and emplyee have something to offer that the other one wants
go on strike
There are no legal implications to providing a "safety guarantee" to all co-employees, because Workers' Compensation laws establish a no-fault coverage in the workplace, except for cases of grossly intentional misconduct.
yes because it is still a business that wants to uphold its standardsAdded: Your so-called 'freedom of speech' does not extend to your worklplace. Your actions AND your language can be controlled by your employer while you are on their premises, or otherwise representing them.
volunteer work
what ever it wants to be
both the employer and emplyee have something to offer that the other one wants