Not long ago the talk in the Murray-Darling Basin and across Australia was about drought-proofing the nation but amid a major flood event with the river height at Echuca-Moama on the Vic-NSW border exceeding 1956 levels, now roadways and dams may need to be raised to flood-proof electorates like the southern NSW seat of Murray, held by independent Helen Dalton. We catch up with Helen fresh from visits to flood-affected communities