Days after Sen. Rob Portman (R-Ohio) reversed his stance on gay marriage, House Speaker John Boehner (R-Ohio) is not doing the same.

Portman announced to Ohio newspapers on Friday that after his own son came out in February 2011, he has grown to change his perspective on the issue. In a Sunday interview on ABC's "This Week," Boehner was asked by host Martha Raddatz about whether he could ever envision a similar shift happening on his end.

"Listen, I believe that marriage is the union of one man and one woman," Boehner said. "All right. It's what I grew up with. It's what I believe. It's what my church teaches me. And I can't imagine that position would ever change."

Boehner added that he appreciated Portman's change of heart, but his own position has been "made clear."

On NBC's "Meet The Press," Wisconsin Gov. Scott Walker (R) was asked whether the shift on marriage equality is tied to younger conservatives seeing the issue as "something that is."

"Well, I think there's no doubt about that," Walker said. "But I think that's all the more reason, when I talk about things, I talk about the economic and fiscal crisis in our state and in our country. That's what people want to resonate about. They don't want to get focused on those issues."

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  • Connecticut

    Since November 12, 2008

  • Delaware

    Gay marriage law <a href="http://www.huffingtonpost.com/2013/05/07/delaware-gay-marriage-law-_n_3232771.html" target="_blank">enacted</a>, weddings to begin July 1.

  • Iowa

    Since April 3, 2009

  • Maine

    In 2012, Maine voted in favor of a ballot amendment to legalize gay marriage.

  • Maryland

    The gay marriage bill was signed into law by Gov. Martin O'Malley (D) on March 1, 2012. Opponents later gathered enough signatures to force the issue back onto the ballot in November 2012, but voters rejected the effort against gay marriage.

  • Massachusetts

    Since May 17, 2004

  • Minnesota

    Same-sex marriage bill signed into law in May. Gay marriages will begin in August.

  • New Hampshire

    Since January 1, 2010

  • New York

    Since July 24, 2011

  • Rhode Island

    Bill passed in May. Law takes effect on August 1, 2013.

  • Vermont

    Since September 1, 2009

  • Washington

    On February 13, 2012, Gov. Christine Gregoire (D) signed a law allowing same-sex marriage ceremonies to begin on June 7, 2012. The process was delayed by gay marriage opponents who gathered enough signatures to put the issue up to a state vote in November 2012. They voted to approve it on Election Day.

  • Washington D.C.

    Since March 9, 2010

  • California

    The state initially began conducting gay marriages on June 16, 2008. On November 5, 2008, however, California voters passed Proposition 8, which amended the state's constitution to declare marriage as only between a man and a woman. In 2013, the Supreme Court ruled against that law, and the state shortly thereafter began sanctioning same-sex nuptials.