Is Mitch McConnell next?

Conservatives at the Values Voter Summit cheered Friday morning when they learned that House Speaker John Boehner was retiring. Friday afternoon, they cheered again when someone suggested the next establishment Republican to lose his job should be Senate Majority Leader Mitch McConnell.

"Here's what I say in response to Speaker Boehner stepping down. Mitch McConnell, it is now your turn," Louisiana Gov. and GOP presidential candidate Bobby Jindal said to raucous applause.

After the news of Boehner's resignation, Arizona Rep. Matt Salmon told reporters he had texted his fellow conservative...