3 cases study about Employment Law

Hi. I need help with these 3 cases study aout employment law for my MBA.

please.. there are THREE cases.. last time I posted the person only answered one.. 

I need it for tonight around 11pm.

I need times new roman 12' and double space :)

Also, I need an aswer for these 3 questions:

1- Is an employer entitled to conduct office searches? 2 - Are whistle-blowers adequately protected? 3 - Is downsizing a form of discriminatory conduct? 4 - What does at-will employment mean? 5 - What does it mean to be dismissed for cause?

Thank you!!!