(AP)- A decline in COVID-19 vaccinations cut into Walgreens second-quarter earnings, but the drugstore chain still delivered better-than-expected results. Walgreens said Tuesday the number of vaccines it administered in the quarter tumbled 80% to 2.4 million compared to last year's quarter. COVID-19 testing also fell more than 90% and sales of at-home tests dropped as well. Analysts expected those declines compared to last year, when the omicron variant of the coronavirus was surging. Walgreens also booked in the recently completed second quarter a $306 million pretax charge for opioid cl...