More than one way to shove an asteroid?

2 September 2004: NEO News – Rusty Schweickart on Asteroid Deflection Technology

“What I fear there is that, within the community of researchers, there exists a de facto, and perhaps sub-conscious acceptance that the “default” method for future asteroid deflection will be via the use of nuclear explosives. My sense is that, while the current asteroid characterization work is both valuable and unquestionably needed, it comes up short of the detailed surface information needed by the “soft” deflection concepts.”