In a stunning bi-partisan “Congressional Letter” from over 353 out of 435 U.S. congresspersons to US Secretary of State John Kerry, the 353 U.S. representatives issued a stark warning that, “As you wrote in the Washington Post earlier this summer, if Iran’s nuclear program is truly peaceful, “it’s not a hard proposition to prove. The only reasonable conclusion for its stonewalling of international investigators is that Tehran does indeed have much to hide.” The Congressional Letter’s signatories included almost all of both parties’ leaderships, and was greatly aided by Republican Congressman Peter J. Roskam (R-IL-06) of Illinois, a stalwart, and...