Our younger readers--those who were born yesterday--may not remember when delaying ObamaCare was considered a wild idea, its exponents limited to crazy right-wing terrorists. Times have certainly changed since--oh, the beginning of this week.

"Democrats facing difficult reelection campaigns in 2014--Sens. Mark Pryor of Arkansas, Mary Landrieu of Louisiana, Kay Hagan of North Carolina and Mark Begich of Alaska--came out on Wednesday evening in support of extending the open enrollment period of the law, as first proposed...