THIS IS IT!!!
SELECT podcast.*, date_format(podcast.podcast_date,'%M %d, %Y') AS podcast_date_info, date_format(podcast.podcast_date,'%h:%i %p') AS podcast_time FROM podcast
JOIN podcast_tags ON podcast_tags.podcastID = podcast.podcastID
WHERE trim(podcast_tags.tag_name) IN ('Shipping','Master Series','')
GROUP BY podcast.podcastID
HAVING COUNT(DISTINCT podcast_tags.tag_name) = 2
ORDER BY podcast.podcast_date DESC
