This URL brings up a blank page. I tried it with different articles and it always comes up blank:
https://tools.wmflabs.org/xtools/topedits/?lang=en&wiki=wikipedia&user=Checkingfax&page=Planned_Parenthood_2015_undercover_videos_controversy
This has been chronic.
Windows XP, Vector skin, Google Chrome browser Version 46.0.2490.80 m (Google Chrome is up to date)