Think about it. The guy turning left had to be there first. He had to cross the intersection before the other guy started turning right. Go get out your matchbox cars, and draw a diagram of such an intersection. Once half way through his turn, the guy turning left had the right of way; the guy turning right would have been just arriving at the intersection.
And, though someone above claims that it varies by state - I've always been taught that you turn into the nearest (legal) lane. (You don't turn into, say, a bike lane.)
You need to re-read the original post. He says
"making the turn as one or both cars cross over into the adjacent lane."
You are making assumptions about who pulled into the wrong lane. For all we know the Left turning car turned into the wrong lane. But that isn't what my point is. You are completely missing the point that he is crossing across traffic and unless there is yield sign for the right turning car, he has the right of way and the left turning car is crossing across his lane, unless he has a green arrow which would mean that the right turning car was running a red light. But that doesn't seem to be the case because he said they both turned on yellow. So Lefty has to yield to oncoming traffic.
Last edited: