A slightly stale Zogby poll taken 3/22-26/07 has approval at 32% and disapproval at 67%. The poll released results for other items, but the approval item did not appear until 4/3 on Hotline. With this result added, the approval trend stands at 33.3%.
Zogby tends to run below the trend, though in this case by only a small amount.
See my earlier post on the newer Newsweek poll for a discussion which is not changed by this revision of the trend estimate.
Cross-posted at Political Arithmetik.