By JOSH BOAK and ZEKE MILLER
ROME (AP) — President Joe Biden promised to show the world that democracies can work to meet the challenges of the 21st century. As he prepares to push that message at a pair of global summits, his case could hinge on what’s happening in Washington, where he is struggling to finalize a major domestic legislative package. Biden landed in Rome aboard Air Force One in the dark early Friday. He’s headed first to a Group of 20 summit and later to Scotland for talks on stopping a global pandemic, boosting economic growth and halting the acceleration of climate change. But it could be harder to get the world to commit to Biden’s stated goals if Americans refuse to fully embrace them.