President Obama / Saul Loeb, AFP/Getty Images
President Obama explains his Syria policy Tuesday to probably the biggest audience he will have.
Obama will deliver a prime-time speech on his case for military action against Bashar Assad's government, following a full day of lobbying with various members of Congress.
"I'll explain this is not Iraq; this is not Afghanistan; this is not even Libya," Obama told PBS during one of six television interviews conducted Monday. "We're talking about a very specific set of strikes to degrade his chemical weapons capabilities in terms of delivery."
Obama also said Monday he would pursue a diplomatic proposal from Russia, which says it will ask its ally Assad to put his chemical weapons under international control.
The Syria speech is set for 9 p.m. ET Tuesday.
Earlier in the day, Obama will travel to Capitol Hill for separate meetings with Senate Republicans and Democrats.
Given the new diplomatic track - and the fact that Obama may not have enough support in Congress - the Senate postponed a vote that had been scheduled for Wednesday.
The Republican-run House has no votes on Syria scheduled.
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