THIS BEING a season for celebrating Shakespeare in Washington, perhaps the best way to describe the ethics and lobbying bill that passed the Senate on Thursday is to quote the Bard: "All's Well That Ends Well." The final package is the strongest ethics legislation to emerge from Congress yet. Like the rules changes the House adopted this month, it would bar lawmakers from taking free gifts, meals and entertainment. No longer would lobbyists and private interests be allowed to throw lavish parties honoring lawmakers at political conventions. Travel paid for by private interests would be dramatically curtailed. Lawmakers' cut-rate corporate jet flights would be grounded. The revolving door would be slowed, with lawmakers having to wait two years, not the current one year, before lobbying their former colleagues....