Greater Danger–PHA or AGW?

The question is,  are Potential Hazardous Asteroids (PHAs) or Anthropgenic Global Warming (AGW) the greater threat?   Perhaps as one wag said,  neither,   Congress and Obama are the greatest threats to mankind.   Well anyway,   on July 23, another asteroid hit Jupiter.  And unlike the one several years ago which was photographed extensively,  no one saw this one coming.  All they saw was the impact. Wattsupwiththat blog has a guest commenting on PHAs and AGW.   It is interesting.    Read it here

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