By Dorian Hargrove SAN DIEGO COUNTY, Calif. — Since the government shutdown, President Donald Trump has canceled nearly $28 billion in federal grants nationwide from congressional districts led by Democrats. More than $17 million was slated for San Diego County. According to federal documents obtained by CBS 8, Trump has clawed back more than $15 million from two San Diego County-based companies that are working to repurpose lithium-ion batteries, as well as batteries used in electric vehic...