Three wishes, Dianne!If Sen. Dianne Feinstein is susceptible to gong-accompanied incantations, then opponents of the union-bolstering bill currently wending its way through the U.S. Congress had best take warning.Noon today marked the end of a 24-hour vigil organized by local labor groups to support the so-called Employee Free Choice Act, a piece of federal legislation that proponents call the most significant pro-union measure to reach Washington in the last generation.Starting on Wednesd