{"version":"1.0","provider_name":"TVREAL","provider_url":"https:\/\/worldscreen.com\/tvreal","title":"Nat Geo\u2019s Tom McDonald Named Grierson Trust Chair - TVREAL","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"W14yJL0H7e\"><a href=\"https:\/\/worldscreen.com\/tvreal\/nat-geos-tom-mcdonald-named-grierson-trust-chair\/\">Nat Geo\u2019s Tom McDonald Named Grierson Trust Chair<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/worldscreen.com\/tvreal\/nat-geos-tom-mcdonald-named-grierson-trust-chair\/embed\/#?secret=W14yJL0H7e\" width=\"600\" height=\"338\" title=\"&#8220;Nat Geo\u2019s Tom McDonald Named Grierson Trust Chair&#8221; &#8212; TVREAL\" data-secret=\"W14yJL0H7e\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/worldscreen.com\/tvreal\/wp-content\/uploads\/sites\/12\/2025\/08\/NatGeo-TheGriersonTrust-TomMcDonald-0825.jpg","thumbnail_width":640,"thumbnail_height":394,"description":"Tom McDonald, executive VP of content at National Geographic, has been named the new chair for The Grierson Trust, taking over in November when Lorraine Heggessey steps down after 11 years."}