Here's what's happening today in pop culture:
• "Ghostbusters" star Leslie Jones faced a barrage of racist taunts on Twitter, and very little support from the online messaging platform. [USA Today]
• Bad news for "Game of Thrones" fans: The seventh season won't arrive until next summer, because of weather-related production delays. [The Huffington Post]
• Stephen Colbert started his coverage of the Republican National Convention with two momentous reunions: With his old buddy Jon Stewart, and with his blowhard "Colbert Report" alter-ego. [The Hollywood Reporter]
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