Can a Private employer legally fire an employee

Can a private employer legally fire an employee because the employer disapproves of the worker’s speech or expression — political or otherwise — while the worker is on the clock?

Why or why not? Explain.

2)  Can a private employer legally fire an employee because the employer disapproves of the workers speech or expression — political or otherwise — when it occurs on the employee’s off-duty time?  

Why or why not? Explain.

You must first clearly answer the initial yes-or-no question.  Then, you must fully explain your answer in narrative form, using the supporting information gained through research.  Be sure to use the correct the legal terms to describe the nature of non-contract private sector employment and the non-contract private sector employee.  Those names will be readily apparent in any credible source you find on this subject.

Remember, in all areas of law there is a general rule and one or more exceptions to that rule.  In you answer, you must explain the general rule of private sector employment as it applies to each question, and then explain any exceptions to the rule. You must cite at least two credible and authoritative sources that support your answers.