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The Agenda: Snowden on the run and Obama to tackle climate change

President Obama is expected to take sweeping action on climate change Tuesday in a speech outlining his plan to limit greenhouse gas emissions from existing power plants, among other actions.’s Dafna Linzer, The Root’s Edward Wyckoff Williams and Mother Jones’ David Corn discuss Snowden's actions and what President Obama's speech could mean for the health of our planet and the future of executive power.