In the short week since Mitt Romney announced Rep. Paul Ryan as his vice presidential pick, many are scrambling to figure out just what exactly is the Ryan budget plan.

Details are scarce in some areas, readily available in others, and the campaign is being understandably quiet about how and when a Romney-Ryan budget plan would reach balance. This is perfectly reasonable given the fact that most campaigns refrain from releasing precise details on winners and losers under a particular candidate’s ideal budget. It’s also understandable because with so many moving pieces, changing growth rates, future GDP estimates, changes in projected revenues and the like, it’s hard enough for the dozens of experts at the Congressional Budget Office to estimate even a few years out what the existing federal budget will look like. It’s reasonable not to expect a campaign to be able to do the same.