Senate Democrats want Education Secretary Betsy DeVos to explain why she’s delaying the implementation of an Obama-era rule aimed at ensuring career-training programs, specifically those at for-profit colleges, actually prepare students for good-paying jobs. In a letter to DeVos this week, Sens. Dick Durbin (Ill.), Patty Murray (Wash.) and Elizabeth Warren (Mass.) called the department’s gainful employment rule a critical protection for both students and taxpayers. On Jan. 9, the department released final debt-to-earning rates for career training programs required by the rule finalized under Obama in October 2014. Under the rule, the estimated annual loan payment of a typical graduate would have to be at or below 20 percent of his or her discretionary income or 8 percent of his or her total earnings to be considered a program that leads to gainful employment. Programs that exceed these levels would be at risk of losing their ability to participate in taxpayer-funded federal student aid programs. Late last week the department gave schools more time to appeal their ratings, which are generated using earnings data from the Social Security Administration and debt information from the department’s records and the school. Final appeals, originally due March 10, are now due July 1. But Democrats argue the rule was generous to begin with, giving schools three opportunities to appeal their rates. “According to a Department spokesperson, the delay was also due to ‘a question about whether schools can provide data to a third party,’” the senators wrote. “It is unclear how this question could not have been solved through follow-up guidance rather than a delay.” DeVos is also giving Gainful Employment Programs until July 1 to switch to a new format in meeting the requirement to disclose information about their programs, including graduation rates, tuition and fee amounts, typical student debt upon graduation and what a graduate is likely to earn. The senators asked DeVos how long