Sen. John Cornyn has been supplementing his Senate salary for six years with pensions earned from his days as a Texas judge and attorney general – retirement payments that went undisclosed for several years. Cornyn’s most recent annual disclosure statement, filed last month, shows he collected $65,383 from three Texas pension plans in 2012. That’s on top of his $174,000 Senate salary. He drew $48,807 from the Judicial Retirement System of Texas, stemming from service on the Texas Supreme Court from 1990 to 1997, plus $7,645 from the Employees Retirement System of Texas, and $6,444 from the Texas County and...