Bob has worked for Acme, Inc. for 10 years. During the entire period of Bob’s employment, his performance had never been formally evaluated or criticized; he was never denied a raise or bonus. The company was doing extremely well, constantly hiring new employees. During the busiest time of the year, Bob told his boss that he required surgery. Bob went out on approved FMLA. Bob was terminated when he returned to work. Even though the term of Bob’s employment is not specified by contract, does Bob have a cause of action against his employer arising out of the termination? Identify and analyze the possible causes of action available to Bob and the likelihood of prevailing in the litigation. Utilize applicable law to support your conclusions.