Do you want to know how that expert you are about to face might have prepared for your killer cross-examination? Take a look at "Advice for Experts Facing Cross-Examination," by Steve Babitsky and James Mangraviti, Jr. Here's a sample:
You are well advised to avoid, where possible, absolute words such as "always" and "never." Absolute words are frequently an invitation to, and fertile grounds for, cross-examination by counsel. Counsel will attempt to damage your credibility by first getting you to make an absolute statement. She will then use counterexamples in an effort to show the falsity of your statement.