and louise, possible by judy and josh westin, joyce b. hale, the wallace family, in memory of miriam and ira d. wallach. the cheryl and phillip milstein family. bernard and irene schwartz. rosalyn p. walter. pacific islanders and communications, corporate funding provided by mutual of america, designing customized individual and group retirement products. that's why we're your retirement company. additional support is provided by -- and the corporation for public broadcasting and by contributions to your pbs station from viewers like you. thank you. from the tish wnet studios in lincoln center, new york. hari sreenivasan. >>> good evening. thanks for joining us. secretary of state john kerry traveling to europe early next week to explore ways to end the civil war in syria. international peace conference could be held in switzerland next month. just today, at least 30 people were killed near damascus, after a suicide bombing against syrian security forces and the clashes with rebels that followed. earlier this week, a senior syrian intelli

next on pbs "news hour weekend" made possible by judy and josh westin, joyce b. hale, the wallace family, in memory of miriam and ira d. wallace. the millstein family. bernard and irene schwartz. rosalyn p. walter. pacific islanders and communication. corporate funding provided by mutual of america, designing customized individual and group retirement products. that's why we're your retirement company. additional support is provided by and by the corporation for public broadcasting and by contributions to your pbs station from viewers like you. thank you. from the tish studios in new york, hari sreenivasan. >>> good evening. thanks for joining us. several national parks around the nation are starting to reopen following a decision by the obama administration to let the states pay the cost of operating them. the parks have been closed to tourists since the federal government shut down 11 days ago. the park closures have cost businesses tens of millions of dollars. a much larger deal to get the government up and running again and to raise the debt ceiling continues

judy and josh westin, joyce v.hale. the walick family. the cheryl and phillip mill steen family. bernard and eileen schwartz. corporate funding is provided by mutual of america. that's why we're your retirement company. additional support is provided by -- (rock music plays) ♪ ♪ (male narrator) has a dog ever touched your heart, or changed your life? what if a dog could literally open new doors for you? across america, people coping with profound challenges are getting a new lease on life... assistance dogs. loving canine companions are working small miracles every day. not just because they're trained, not just because they're smart... (man) yes! but because dogs see the world differently than any other animal, because dogs are born to care about us. (woman) this program is made possible by:

judy and josh westin, joyce v.hale. the walick family. the cheryl and phillip mill steen family. bernard and eileen schwartz. corporate funding is provided by mutual of america. that's why we're your retirement company. additional support is provided by --

judy and josh westin. the wallic family in memory of miriam and ira dean wallic. the cheryl and philip willstein family. bernard and irene schwartz. roslyn p. walter. corporate funding is provided by mutual of america. designing customized, individual and group retirement products. we're your retirement company. additional support is provided by -- the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. narrator: why would a goat never leave a horse's side... for 16 years? what would possess a big lion to bond with a little coyote? man: mother nature is teaching me something every time i see a relationship like this. narrator: scenes like these are overturning the conventional wisdom -- that only humans forge friendships. there's a lot of people that don't want to admit that animals have emotions. narrator: is it compassion or companionship that bonds two animals of different species together? woman: when they greet each other, i've never seen anything like it. it's not a deer greeting a deer, it's not a

judy and josh westin. the wallic family in memory of miriam and ira dean wallic. the cheryl and philip willstein family. bernard and irene schwartz. roslyn p. walter. corporate funding is provided by mutual of america. designing customized, individual and group retirement products. we're your retirement company. additional support is provided by -- the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you.