FREDERICK DAYOUR and FRANCIS KOFI ESSEL THE building of Ghana’s spectacular $400 million national cathedral designed by famed architect David Adjaye has stalled amid an economic crisis. The plan has drawn sharp public criticism but the president says it will be a significant tourist attraction and should go ahead. We asked two experts: Frederick Dayour heads his university’s department of tourism and hospitality where Francis Kofi Essel lectures in tourism. Essel is also a registered tour guide with intimate knowledge of Ghana’s religious sites and their tourism potential. What will be on the proposed new site and who will visit…