'Tea party' opponent Joe Miller isn't conceding even though Lisa Murkowski's lead reaches 41% in the three-way race. The long process of scrutinizing write-in ballots lies ahead.U.S. Sen. Lisa Murkowski held on to an apparent lead Wednesday in her write-in bid to hold on to her Senate seat in Alaska, though "tea party" candidate Joe Miller's campaign leaders said they were not nearly ready to concede.