Crossword puzzle clue "things in need of explaining and this puzzle's title"

Things in need of explaining, and this puzzle's title

"No need to keep explaining"

Green spokesman for whom an effect explaining the correlation of cold weather and global warming meetings is sarcastically named

"___ was just explaining ...": 2 wds.

Words explaining a spelling

"___ really have to keep explaining this to you?"

Acronym explaining useless computer results

Words before explaining a downside