the moment idi amin expelled thousands of ugandan asians in the 1970s. artist couple who wrapped germany's reichstag in fabric. but first, we go back to a defining moment in modern chinese history. in 1989, the chinese army opened fire on tens of thousands of students in tiananmen square in the centre of beijing. they had been demonstrating for weeks, demanding greater political freedom. dan wang was one of the protest leaders. this is his account of what happened. the noise of gunfire rose from all over the centre of peking. translation: someone called us from a phone box in a street near tiananmen square. he said the gunmen had opened fire on the students. i've never thought anything like that would happen. i was in shock. the troops have been firing indiscriminately, but still, there are thousands of people on the streets who will not move back. translation: we immediately organised about 200 students to go to tiananmen square to support the others, but all the main roads were blocked by the army lorries. i was in my first year in peking university. i

he is like idi amin. he knows how to win popular support and say outrageous things. the trump period for a very long time. that is an intriguing prospect, henry. there is some reason to think, on the economy at least, people still trust him broadly in a way that perhaps they don‘t as president overall. i saw some figures that suggest 42% approval of trump‘s presidency, but 48% approval of how he has handled the economy. that is still less than half of the country. i don‘t want to understate that, but i also think it can be overstated and it will matter in two months when the election rolls around. in a sense, the election has already began because the state of north carolina has just began issuing its mail order ballots. two months is a long time for things to happen and that includes the debates coming up between biden and trump. that can be a minefield for either side. with the pandemic, we still need to see how that will play out over the summer, the rest of the summer, in the us and the beginning of the fall. because if a second wave begins to hit hard, if the ec