Persuasion and job interviewing

"As I am preparing for the interview, I am recalling the quotes on persuasion I reviewed for the LessonsProject. After all, an interview is about making a good impression and persuading the employer to hire you."
- FahmeenaOdetta Moore, http://moorefo1.blogspot.com/2014/02/at-this-point-i-have-process-for.html

Common job interview question in the US: What are your weaknesses?
What is your answer?