washington white house eager turn page years-long fight crude oil pipeline canada celebrate close economic security tie northern neighbor u.s. national security adviser susan rice say wednesday trade unite state canada joint efforts curb climate change loom large agenda meet president barack obama canadian prime minister justin trudeau washington thursday follow star-studded state dinner mean recognize importance bilateral relationship first state dinner honor canada 19 years trudeau liberals come power november oust right-wing conservative leader stephen harper whose tie washington deteriorate hector obama keystone xl pipeline president barack obama block project last year victory environmentalists campaign pipeline spat past rice say bilateral relationship go issue difference occasional friction tell reuters interview complexity breadth depth u.s-canada relationship single issue overshadow totality relationship say obama trudeau discuss next step beyond border initiative plan speed travel trade rice say long peaceful border billion day trade directions enormous share stake border open business open travel safe rice say trudeau campaign strengthen tie unite state also promise would pull six fighter jet u.s.-led coalition islamic state iraq syria rice say white house satisfy step trudeau take beef train surveillance support coalition take whole view canadian stepped-up contribution counter-isil campaign valuable welcome rice say use acronym islamic state white house also watch closely trudeau welcome 25,000 syrian refugees canada four months see thus far canada take seriously responsibility citizens common security vigilant welcome new refugees rice say u.s. canada put pipeline fight past state dinner