Latest audio should not include future air dates.

[gabelula]

Latest audio is sorting by air date - this is fine, but it should not include future air dates

[troff]

#expected behavior
On the right-hand sidebar on the front page of the website, under 'Latest audio', the listing should display the last 6 items posted that contain audio - but only if the 'air date' is a time in the past. If the 'air date' is in the future, it should not appear on that list.

#current behavior
All episodes containing audio are included in the filter for right-hand sidebar listing for 'latest audio', including ones in the future. In the example on the screenshot, the episode for 'On reincarnation with Khangser Rinpoche' is listed at the top of 'Latest audio', but it hasn't aired yet.