Do any trainers not cheat?

[paisjpq]

Originally Posted by oracle80

Thats not realistic. And I'm still waiting for revolution to tell me if he thinks that any trainer with a clenbuterol postive should be banned for life.
One of his "buddies" that trains has a clen positive.

what's not realistic?
Not running a horse with a legitimate lung infection?
or not using a drug off-label in an attempt to enhance performance?