Should powerful countries intervene militarily abroad?

In 2007 Hank said governments must recognise that genocide is possible so it can be stopped early. By 2011 and 2013 he voiced uncertainty, unsure whether Stuxnet was worth a new type of warfare and saying no one could know whether attacking Assad would save or cost lives.

Axis: intervene ... stay out

Positions by date: 3 records in 3 videos. The position was refined (2011, 2013), never reversed, in these records.

Hank

date	how	position	video
2007-03-06	first on record	Hank says world governments and citizens must recognise that genocide is possible so that it can be stopped before it spreads.	Brotherhood 2.0: Peeps and Genocide 00:03:00
2011-08-08 (said on 2011-08-09, implied)	refine	Hank is glad Stuxnet set back Iran's nuclear weapons program but doesn't know if it was worth creating an entirely new type of warfare.	Hackers, Cyber crime, and a New Kind of War. 00:03:09
2013-09-13	refine	Hank: no one can know whether attacking Assad would save or cost millions of lives; anyone claiming to know what to do is disingenuous or uninformed.	Syria in Five Minutes 00:04:47

Dates are upload dates, which set the order. Where the speaker gives a different recording date in the video, it is added as "said on YYYY-MM-DD, implied" (derived from the date said in the video).