Thomas Boswell may namecheck “Amazing Grace” in his profile on Coach Joe Gibbs, but best we can say about the Redskins, floundering in the NFC’s lower depths at 3-7, is that they’re neither lost nor found, just looking to turn a corner on this season and get the “ship” righted. Coming out of their battle with the Philadelphia Eagles at the Linc this Sunday, the 28-6 score says everything and nothing about the season thus…