By Christopher Rugaber WASHINGTON (AP) — Inflation cooled for the third straight month in April even after some of President Donald Trump’s tariffs took effect, though economists and many business owners expect inflation will climb by this summer. Consumer prices rose 2.3% in April from a year ago, the Labor Department said Tuesday, down from 2.4% in March and the smallest increase in more than four years. On a monthly basis, prices rose modestly, increasing 0.2% from March to April after falling 0.1% the previous month, the first drop in five years. Grocery prices dipped 0.4% from March to April in what will come as a relief to many people stretching family budgets for the basics. It was the biggest decline in food costs at home since September 2020, the…