That will do absolutely nothing at all - like nothing. If you want to be a single-issue voter you need to find candidates that will outlaw outsourcing (or make it financially prohibitive). problem is of course, you won't be able to find any.

Democrats slogan for upcoming elections should be "Americans First" with outsourcing being a key part of the platform - "while our opponents are pitching 'America First' that has miserably failed for Americans, we will change that." (they won't but good pitch :-) )