As Democrats convene in Chicago to make official their presidential and vice presidential nominees, Vice President Kamala Harris and Minnesota Gov. Tim Walz together are raising the prominence of health care as a 2024 election issue.

Stephanie ArmourSTILLWATER, Minn. Vice President Kamala Harris’ selection of Minnesota Gov. Tim Walz as her running mate is making health care a front-burner issue in the final sprint to the November…