be continued to be used against them. >> faith jenkins and ken padowitz, thank you both for your time tonight. >> thank you. >> thank you. coming up more of president obama's exclusive interview with chris matthews. how he's defending his progressive economic agenda. also, why hillary clinton's advisers are saying she's the original elizabeth warren. and jon stewart sets a date for his final show. it's all ahead in conversation nation. meet the world's newest energy superpower. surprised? in fact, america is now the world's number one natural gas producer... and we could soon become number one in oil. because hydraulic fracturing technology is safely recovering lots more oil and natural gas. supporting millions of new jobs. billions in tax revenue... and a new century of american energy security. the new energy superpower? it's red, white and blue. log on to learn more.