Astronaut Christine Koch reunites with her dog "LBD" (Little Brown Dog) after a year in space.
"My advice to everybody today is don't make today a special day about celebrating love. Do it every chance you get. Tell those who you love how much you love them." --Gun Safety advocate @fred_guttenberg, who lost his daughter, Jamie, in the Parkland school shooting. pic.twitter.com/QC3krpKKX2
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