portman, bipartisan group renews push to help students address high cost of college lastly, portman along with senators angus king (i-me) and richard burr (r-nc), mark warner (d-va), roger wicker (r-ms), joe manchin (d-wv), susan collins (r-me), and jeanne shaheen (d-nh), reintroduced legislation to reform federal student loan repayment programs. 