By Christopher Rugaber WASHINGTON (AP) — The U.S. economy is mostly in good shape but that isn’t saving Federal Reserve chair Jerome Powell from a spell of angst. As the Fed considers its next moves during a two-day meeting this week, most economic data looks solid: Inflation has been steadily fading, while the unemployment rate is still a historically low 4.2%. Yet President Donald Trump’s widespread tariffs may push inflation higher in the coming months, while also possibly slowing growth. With the outlook uncertain, Fed policymakers are expected to keep their key interest rate unchanged on Wednesday at about 4.4%. Officials will also release a set of quarterly economic projections that are expected to show inflation will accelerate later this year, while unemployment my also tick up a bit. The…