chicago london first muslim mayor sadiq khan voice support democratic presidential nominee hillary clinton thursday warn anti-muslim view like espouse republican donald trump play hand islamic state stop chicago first visit unite state khan say big fan clinton hop would win presidential election november arguably experience candidate run president khan tell reporters follow speech 250 academics diplomats business people father two daughters think message send powerful politician world woman phenomenal hope win say khan mayor london arguably one influential member faith western europe immediately take office may khan tangle trump propose ban allow muslim immigrants refugees america deride plan ignorant roughly 45-minute speech chicago council global affairs khan mention trump name attack position new york developer stake tighten muslim immigration unite state think suggest somehow muslims welcome u.s.a. suggest somehow muslim compatible western unintentionally play hand daesh so-called isis khan say trump offer evolve stance muslim immigration unite state since original december 2015 call ban muslims enter country early summer voice support limit ban countries know terrorist link last month appear moderate somewhat outright ban tout idea unite state undertake extreme vet incoming muslim immigrants refugees visitors london 's muslim mayor back clinton u.s. president