State Treasurer Dale R. Folwell, CPA, said legislation introduced in the North Carolina Senate in response to a rash of lawsuits would help protect the state pension plan in pension spiking cases.Sen. Jim Burgin, R-Harnett, is the primary sponsor of Senate Bill 668, intended to make it difficult for government employers to sue the Teachers’ and State Employees’ Retirement System (TSERS) over bills arising from pension spiking cases.