The Trump administration took new steps this week that could jeopardize student loan forgiveness for thousands of Americans based on their public service careers. And this is just the latest in a series of actions that threatens to undermine a bedrock of the federal student loan relief system. Public Service Loan Forgiveness, or PSLF, was signed into law in 2007 by President George W. Bush. The program incentivizes borrowers to work in traditionally lower-paying fields in the nonprofit or government sectors. Those who repay their federal student loans while working in qualifying, full-time employment for at least 10 years (while…