Protesters and riot police clashed at Hong Kong’s International Airport today in ongoing demonstrations against the government. We’ll examine the background of the protests, and how the world is responding. Then: President Trump visited a cracker plant in Pennsylvania today. We’ll explain what cracker plants do, and why Trump was on site. Also on today’s show: scientists are one step closer to a chlamydia vaccine, and two gay penguins are hoping to make a family.
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