Republicans's letter undermines nuclear negotiations with Iran

Back when some prominent Republicans were reasonable, they endorsed some measures now advocated by the Obama administration. Quickly coming to mind is Obama Care, which essentially copied Massachusetts’ 2006 health care reform under then-Republican Gov. Mitt Romney, who now effectively opposes his own plan. This Massachusetts reform included the individual mandate of Obama Care, now opposed by Republicans, but also included in the Republican response to the Clinton administration’s unsuccessful 1993 health care reform proposal.

Less easily remembered is advice regarding Iran proactively given...