republican senator gain infamy last year attempt sabotage historic nuclear deal iran back time try derail crucial appropriations bill america force violate agreement.arkansas sen. tom cotton get moniker tehran tom many republican colleagues senate send brazenly line letter directly iranian capitol effort convince country stop negotiate president obama plan backfire iranians delight mock republicans lead major backlash across country politics may get nasty seem betray country score cheap shoot president still cross major line.unable understand lose cotton since work behind scenes undermine agreement way week loyal band obstructionists introduce amendment intentionally mean rankle relations two countries cotton try bar purchase heavy water produce iran heavy water component make nuclear weapons nuclear energy part deal iran involve country hand stock heavy water show serious end nuclear program cotton want america take deal would actually work.needless say white house furious press conference press secretary josh earnest let cotton clear intent amendment senator cotton certainly expert come heavy water confident differentiate heavy water sparkle water focus undermine effective implementation agreement prevent iran obtain nuclear weapon cotton fast become single-issue politician time energy pour try hurt iran-united state relation border pathological even many colleagues sign letter 2015 give think stop agreement tehran tom keep plug away.on twitter cotton take news white house dress well suggest sit unite state senator aware existence sparkle water military claim many find dubious.as presssec right know much sparkle water serve army unlike ritzy west wing tom cotton sentomcotton april 27 2016maybe cotton get lobbyist friends send bottles.featured image via mark wilson/getty image tehran tom cotton throw tantrum white house expose clueless obstructionist