Can't get going today
1a French writer reversing endless nonsense on theology (6) S????? Sartre?
4a Bricks exist to stop possible splashback? (6)
Any help much appreciated...
28a Soft little things, the English to the Australians, one and all? (7) ?O?P???
22d Result of a lack of planning putting leader on edge (6) ?A?H??
Many thanks in anticipation...