While the Democratic candidates seem to genuinely get along, it was inevitable that eventually they’d grow more explicitly critical of one another. Which isn’t a bad thing — voters are facing a choice, and need to know what’s good and bad about their options. Up until now, however, the criticisms have tended to be vague and oblique, without mentioning their targets by name.
Which is why it's notable that Beto O'Rourke just went right at Joe Biden in an appearance on "Morning Joe," saying that "You cannot go back to the end of the Obama administration and think that that's good enough," and adding, "We can't return to the past, we can't simply be about defeating Donald Trump.