Preview Past Subject Lines and Text

It would be helpful to see previous Subject Lines and Preview Text on past campaigns in the "details" section. https://ui.constantcontact.com/rnavmap/evaluate.rnav?activepage=ecampaign.view&pageName=ecampaign.view&action=edit&popin=true&campaign=1ed5e00d-360d-44b2-8a4e-673dd65816f6