I almost always do our taxes twice. I do a preliminary run through as soon as we have all (or most) of our paperwork. And later I’ll sit down with TurboTax and do a complete return. I like to know what’s coming up. This week, partly in preparation for yesterday’s Coffee Talk post, I did the first run through of our 2011 return. Last year, we owed around $1,100. This year, C only received half asread more…