on a voyage with cunard, the world awaits. a world of flavor. diverse destinations.sive experiences. the world of leisure and british style. all with cunard's white star service. ♪ >> in 1995, 2 friends set out to make wireless coverage accessible to all. with no long-term contracts, nationwide coverage, and 100% u.s.-based customer support. consumer cellular. freedom calls. >> the john d. and catherine t. macarthur foundation, committed to building a more just, verdant and peaceful world. more information at ma cfound.org. canned with the support of these institutions. this program was made possible by the corporation for public broadcasting, and by contributions to your pbs station from viewers like you. thank you. ♪ announcer: this is "pbs news hour west from the david m rubenstein studio from weta in washington and from our bureau at the walter cronkite school of journalism at arizona state university. ♪ >> you're watching pbs. [captioning performed by the ♪ ♪