Joe Biden’s scorching ad against Pete Buttigieg serves a purpose

In some ways, it feels like the Democrats’ nomination battle started in earnest on Saturday with the release of a scorching ad from former Vice President Joe Biden mocking former Mayor Pete Buttigieg’s experience as someone whose highest office involved running a “small” town. …

The attack ad signals a new phase of the primary contest where candidates need to move voters, both for them and against their opponents, in order to survive in the race. CONT.

Joe Lockhart, CNN