Associated Press: A former EPA official says Vice President Dick Cheney’s office pushed for major deletions last October in congressional testimony on the public health consequences of climate change. Jason Burnett, who resigned last month as a senior adviser to the EPA administrator, says in a letter to Sen. Barbara Boxer, D-Calif., that Cheney’s office worried that linking climate to public health problems might make it harder to avoid regulating greenhouse gases. The letter was obtained Tuesday by …