President Obama 's inaugural address eschews criticism for rhetorical power . The president 's speech invokes the themes of his re - election campaign . His progressive address mentions climate change , gay marriage . David Gergen : Obama said ` ` let 's talk about what 's essential ''
President Obama 's inaugural address eschews poetry for rhetorical power . The president 's speech invokes core themes of his re-election campaign . His progressive address mentions climate change , gay marriage . David Gergen : Obama said `` let 's talk about what 's essential ''