What does the author imply about some critics of bans and taxes concerning unhealthy drinks?
针对不健康饮料的禁令和税收的批评，作者暗示了什么？
2
Many cities with bans still allow shoppers to purchase paper bags, which are easily recycled but require more energy to produce and transport.
许多有禁令的城市仍然允许消费者购买纸袋。虽然纸袋很容易回收，但生产和运输需要更多的能源。
3
US President Bush will soon give Russia notice that the United States is withdrawing from the 1972 nucleartreaty that bans testing of missile defense systems.