Heading into the vice presidential debate, the public absence of President Joe Biden and Vice President Kamala Harris amid Hurricane Helene and a major labor struggle could undercut Gov. Tim Walz, D-Minn., and put him on defense while running alongside a key player in the current White House. Walz is set to face Sen. JD Vance, R-Ohio, in the vice presidential debate on CBS News on Tuesday evening. Over the weekend, Hurricane Helene battered western North Carolina and eastern...