and certainly that will be on the agenda as well between lincoln and the chinese. brendan o'connor is a professor of us politics and foreign relations at the united states studies center at the university of sydney. he says, washington has a lot of work to do with it's going to improve relations with basic as i think it's fair to say relations are low points since the opening up of diplomacy with china or night 78. when jimmy carter was present for you as president since then have visited china, so this the prospect of buy it and got this thing and it's best for years and power to trying to say, diplomacy is i think display needed at the moment. the visit itself is a good thing the and me blinking, but it's not contracting for license. dramatic, like a lot more has to be done to the different levels of diplomacy, including maybe in prison at the present summit. sometime maybe in the i pick some of it in san francisco and hopefully a lot more lines of communication being i, i think the us probably needs to make some assurances to china that it supports the state as quote on taiwan. it