the owner of the world's largest collection of Nazi memorabilia
... that the owner of the world's largest collection of Nazi memorabilia sleeps in Hitler's bed, but has "changed the mattress"?
... that <b id="mwCrA"><a href="./Kevin_Wheatcroft" id="mwCrE" rel="mw:WikiLink" title="Kevin Wheatcroft">the owner of the world's largest collection of Nazi memorabilia</a></b> sleeps in <a href="./Adolf_Hitler" id="mwCrI" rel="mw:WikiLink" title="Adolf Hitler">Hitler</a>'s bed, but has "changed the mattress"?