>> allison barber is live with more from the white house. >> reporter: us and canadian trade representatives will start nafta negotiations on wednesday but some tweets from this morning from donald trump might make those talks more difficult or less comfortable. donald trump tweeted there is no political necessity to keep canada in the new nafta deal, after decades of abuse canada will be out. congress should not interfere with these negotiations are i will simply terminate nafta entirely and we will be far better off. yesterday remarks the president made to bloomberg news off the record linked to a canadian publication, markets seemingly upended days of negotiation with the us and canada failing to reach a deal by friday deadline. according to the toronto star donald trump told bloomberg news he is not, rising with canada, he can't say it publicly because