Clean Sweep

 Whether it is the cause of or solution to problems is in the eye of the pyromaniac. 

First Will and Testament

 An incident from back in driver's ed.  To be fair, I wasn't exactly a picture of confidence behind the wheel either.  But the instructor at no point screamed hysterically, so we were maybe probably not going to actually die. 

Language Barrier

 Yet another misadventure in communication. 

Statistically Significant

 Just diagramming something we all know to be true.