• Boslough says impact is more probable at 45 degrees.
• Says theory has multiplying improbabilities of 10X, improbably large, improbably broken, improbably a comet, improbable angle
• Likens it too pulling 5 aces
• Describes range of angles and ground effects
• Q: Need to hear from bio and eco side of questions
• West notes difficulty of locating actual bones of the big day
• West notes loss of grasslands and starvation did in beasts
• Loss of water for just few days may have been critical, especially to grazers
• applause -- Moderator stresses importance of issue

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