Some of the younger candidates in the crowded Democratic presidential primary are suggesting that the early front-runner, 76-year-old Joe Biden , is too mired in the past.
Former Texas Rep. Beto
When states legalize pot for all adults, long-standing medical marijuana programs take a big hit, in some cases losing more than half their registered patients in just a few years,
Joe Biden said he would be open to breaking up Facebook, a sign of the deep skepticism among many Democratic presidential contenders about the power of massive technology firms.
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