In 2019, then-Sen. Kamala Harris pledged as president to eliminate Senate filibuster rules to pass a multi-trillion dollar Green New Deal to transform U.S. energy and climate policy.Now, Harris’ campaign declined to say if she would push for such a reform if she is president. Why it matters: Harris has left a lot of question marks about what she’d do as president and her policy priorities since she entered the campaign on July 21.Her campaign has been dodging questions about whether she still supports many of her past positions on issues.That includes: Ending the death penalty…