we allow the government to place any kind of equipment on our systems. ifill: we update the fight over contraception, as the justice department reverses its position, and allows the morning after pill to be sold over the counter to women and girls. woodruff: we continue our series on food security with a report from qatar on innovative ways to combat a lack of water with a booming population. the technologies can be applied anywhere. but in the desert is a hot and relatively dry climate, where you have access to filthy water. ifill: and ray suarez has the story of two terminally ill children, and the battle between doctors and judges over whether they should be eligible to receive adult lungs. woodruff: that s all ahead on tonight s newshour. major funding for the pbs newshour has been provided by: moving our economy for 160 years. bnsf, the engine that connects us. by b.p. and by at&t. and the william and flora hewlett foundation, working to solve social an