Biden is labeled a moderate. But his agenda is far more liberal than Hillary Clinton’s.

Many Democrats see Joe Biden as a voice of ideological restraint in a party rapidly moving to the left.

But the 2020 Democratic frontrunner’s emerging policy agenda is anything but moderate — at least compared to the party’s last presidential nominee.

From health care to climate change to criminal justice, Biden has proposed ideas more ambitious and liberal than policies supported by Hillary Clinton in the 2016 campaign, a McClatchy review of the candidates’ platforms found.

Taken as a whole, Biden’s policy platform represents a significant shift from Clinton’s. On...