Taiwan scrambled its own fighter jets on Sunday as China launched its biggest incursion into the self-ruled island's air defence zone since October – Copyright AFP Sam Yeh Possible conflicts in Ukraine and Taiwan are superficially typical Cold War scenarios. In the past, American responses would have been united and unambiguous. With November mid-terms and a fractured Congress, that’s no longer a realistic expectation. Between the ever-Putin-obliging Trump and a QAnon-based Senate, getting any kind of coherent response to real world issues is a tough enough proposition as it is. While America has been on this political holiday, destroying its…