WASHINGTON – President Donald Trump on Wednesday tried to salvage a few priority items lost in the rubble of COVID-19 relief talks that he blew up, pressing for $1,200 stimulus checks and new aid for airlines and other businesses hard hit by the pandemic.In a series of tweets, Trump pressed for passage of these chunks of assistance, an about-face from his abrupt and puzzling move Tuesday afternoon to abandon talks with a longtime rival, House Speaker Nancy Pelosi.