my guests today are david aaronovitch of the times newspaper, maria margaronis of the nation, agnes poirier of french news weekly marianne, and american writerjef mcallisterlcome to you all. "sit back and watch." the advice from president trump on friday as he hiked american tariffs on chinese goods. but when elephants fight, ants get crushed. should the rest of us sit back or take cover? jef, start us off. well, these tariffs of 25%, rather than a 10%, may hit the american economy in a different way, because a lot of chinese products will be frozen out of the american market at that level. that means people will feel it in a different way. there will still be repercussions with chinese tariffs on american agricultural goods, sectors have been hit by the trade war in the us and china, but i think this has a likelihood of spreading to a greater degree, and unpredictably, as trade wars do, sometimes. as trump said, trade words are good and easy to win, and i think this is an area which he has convictions, unlike a lot of other things that he has in policy. since the reagan administration, when he started to think about running for president, he said america