President Trump has signed a bill restoring federal funding to tech startups in California and elsewhere, money that had been held up for more than six months.The Small Business Administration money, a key source of capital for new aerospace and defense firms in the Los Angeles region, ran out in October after a congressional impasse.The Small Business Innovation and Economic Security Act signed by Trump on Monday funds the Small Business Innovation Research, or SBIR, the Small Business Technology Transfer, or STTR, and related programs.They provide more than $4 billion in seed funding to commercial startups that provide valuable services...