Russian President Vladimir Putin has suffered an emabarassing setback as his feared Satan 2 nuclear arsenal failed four out of five missile tests, according to arms experts and satellite imagery from the launch site. High-resolution satellite images of the launch pad at Russia's Plesetsk test site, where the RS-28 Sarmat intercontinental ballistic missile exploded, shows extensive damage. A crater approximately 60 meters wide at the launch silo at the Plesetsk Cosmodrome in northern Russia, along with visible damage in the surrounding area that was not present in images taken earlier in the month. -snip- The missile's liquid-fuel engine likely exploded...