OK enough already, NASA has damn well proved there was once water on Mars — and plenty of it. Now what?
“This image from NASA’s Mars rover Curiosity shows inclined layering known as cross-bedding in an outcrop called “Shaler,” indicative of sediment transport in stream flows. Currents mold the sediments into small underwater dunes that migrate downstream. The grain sizes here are coarse enough to exclude wind transport.” — NASA Mars Science Laboratory
Always worth repeating: The cost of the entire 12-year Curiosity mission to Mars amounts to less than two weeks of what we spend on the Afghan War.