Should MLB Implement “One And Done” Rule With Drugs?

In the last week, we have seen two players suspended for fifty games due to positive tests for performance-enhancing drugs: Giants outfielder Melky Cabrera and Athletics pitcher Bartolo Colon. These recent positive tests have re-ignited the debate about the MLB Drug Policy and the related punishments. Would you be in favor of a "one strike, you're out" drug policy in Major League Baseball?