then: ♪ ♪ violinist rachel barton pine takes classical music to unexpected places, and people. >> ifwere only playing for the converted, we would not be honoring our gifts to the fullest extent. >> woodruff: all that and more, on tonight's pbs newshour. >> major funding for the pbs newshour has been provided by: ♪ ♪ ♪ ♪ moving our economy for 160 years. bnsf, the engine that connects us. >> fathom travel-- carnival corporation's small ship line. offering seven-day cruises to three cities in cuba. exploring the culture, cuisine and historic sites through its people. more at fathom.org. >> lincoln financial-- committed to helping you take charge of your financial future. >> genentech. >> supporting social entrepreneurs and their solutions to the world's most pressing problems-- skollfoundation.org. >> the ford foundation. working with visionaries on the frontlines of social change worldwide. >> and with the ongoing support of these institutions: and friends of the newshour. >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbs st