"In the future, every politician will have a mildly-to-extremely embarrassing video of themselves unearthed from their past, on the internet," writes Samantha Cole at Motherboard, arguing "it's part of the territory of growing up online." Alexandria Ocasio-Cortez should know: While the Democratic congresswoman from New York was sworn in Thursday, she was also going viral, thanks to an edited clip from a 2010 YouTube video showing Boston University students dancing to "Lisztomania" by Phoenix (apparently inspired by this Brat Pack mash-up). "Here is America's favorite commie know-it-all acting like the clueless nitwit she is," AnonymousQ1776 wrote in sharing the clip...