thank you very much, it was very interesting to talk with you, david mack. we appreciate it. >> you're welcome. >> still so much more to come on the al jazeera news hour. ordering the military to be ready for war as tensions with south korea escalate even further. is this property deal, is it really up for sale? find out what are the surprises next door. and the contender get back on track ahead of the belgium grand prix. >> a gunman has shot and wounded three people on a high speed train going to paris before being overpowered by passengers. the man open fired on the train on friday. it's not clear what his motive was. france's anti-terror police are investigating. the french interior minister is investigating what took place. >> since we are to respect the rules of the inquiries. i'm asking everybody to be cars regarding the reports of the identity and profile of the individual who has been arrested, and who is now in custody. >> scenes of chaos on the border between greece and macedonia as thousands of refugees try to make their way further north. many ar

. >> david mack from the middle east institute.i have a question for both tom lippman and bob ford. do you think an iranian deal will make a -- between riyadh and bag dodd more likely or less likely -- baghdad? >> that gentleman right there. i know there are a lot of hands. i will try to get to them. >> a question for any of them. regarding whether the gcc countries need the u.s. more than the u.s. needs them, this is mixed. the gcc countries are key to 22 arab countries for leadership. 57 islamic countries for leadership. two, with regard to islam, they are the epicenter of prayer and pilgrimage of faith and spiritual devotion for more than a quarter of humanity. that is important for us. three, we have 80 years of investment in saudi arabia and, vice versa. now we're not about to turn our back on that. fourth, with regard to shia, saudi arabia has had good relations, better than bad relations with iran, with yemen, with syria, and with lebanon than it have negative ones that we're implied hire. lastly with regard to geography, sa

david mack kenzie is live with the latest for us today. david? >> reporter: that's right.e expanding the investigation. an american illegally killed a lion back in april. they want to continue the extradition process of dr. palmer who got the worldwideninger for killing cecil the lion. they say they are going to tighten the regulations to avoid instants like this. experts say it is unlikely the u.s. will hand over power to them because of the rights record of zimbabwe. >> some have been telling me the moves are politics. >>> many gave us the ahh when we were talking joe biden for president. the vice president is seriously considering a run for the white house. how serious? we will tell you. and we have one of the biden's closest family friends on. we'll put the question to her. stay with us. did you leave behind something reliable? something that felt like... home? and now you can't connect the way you used to... because you switched wireless carriers and are getting a less reliable connection. it's okay. we're still here for you and we'll be happy to have you back on a re

david sweat made his first court appearance today since being captured. his attorney entered not guilty pleas. the convicted murderer and fellow inmate richard mackut in early june. mack was killed while sweat was captured two days later. >>> as we mentioned earlier former president jimmy carter discussed his recent cancer diagnosis publically for the first time today. mr. carter began radiation treatment in atlanta. abc news chief medical editor says doctors will use targeted radiation to attack four tumors found on mr. carter's brain and will receive treatment to enhance his immune system. >> one of the benefits is that the side effects are milder than what you would see with chemotherapy. and so for someone who is 90 hopefully he will be able to tolerate this kind of treatment much better than if it was traditional chemotherapy. >> dr. besser adds that he expects the former president to do well because he is in good health for a man of his age. doctors say mr. carter's prognosis is good. >>> coming up next former reality tv show joshua duggar makes an admission. >> we are tracking the path of the first named hurricane of the season and where i