captioning sponsored by macneil/lehrer productions >> woodruff: u.s., canadian and european airlines suspend all flights to tel aviv after rockets fired by hamas land near the israeli airport. good evening, i'm judy woodruff. >> ifill: and i'm gwen ifill. also ahead this tuesday, european union leaders meeting in brussels impose additional sanctions on russia, in the wake of the shoot-down of malaysia air flight 17. >> woodruff: plus, how charter and traditional public schools in houston are partnering up to share space, resources and improve education. >> reporter: kipp and landrum hire their own teachers for core courses like math and reading. it's here in the elective courses, band, orchestra, choir art, theater and phys ed, where