San Francisco, CA (LifeNews.com) -- A California company is generating controversy for a new plan to work with fertility clinics that has it killing a couple's "leftover" human embryos for "personalized" stem cell cures. The plan is drawing criticism from an unlikely source -- embryonic stem cell research backers who say it is misleading clients. StemLifeLine has entered new partnership agreements with three fertility clinics in Colorado, Nevada and Idaho. According to a press release LifeNews.com obtained, StemLifeLine "will now offer individuals who have undergone in vitro fertilization the opportunity to use StemLifeLine’s service to develop personal stem cell lines...