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@MaryBethGriggs — 2,383 followers, 1,716 tweets

You know donating blood is going well when you manage to get blood spatter everywhere during the fingerstick. I'm rather impressed with myself.
RT @Lederman: I’m heartbroken that I won’t see Mike sitting in our corner of the office when I get in each morning. My videos are…
RT @lorengrush: Wow, GAO expects certification to slip to December 2019 for SpaceX and Feb 2020 for Boeing
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