Starting today, Excalibre is on suspension for thirty days. Below is a list of some of his recent warnings. They are not meant to be a complete list of past warnings, just some examples.
http://boards.straightdope.com/sdmb/showpost.php?p=7870128&postcount=45
http://boards.straightdope.com/sdmb/showthread.php?p=7593267#post7593267
http://boards.straightdope.com/sdmb/showpost.php?p=7786345&postcount=76
http://boards.straightdope.com/sdmb/showpost.php?p=7591211&postcount=87
http://boards.straightdope.com/sdmb/showthread.php?p=7379452#post7379452
http://boards.straightdope.com/sdmb/showthread.php?p=7383090&posted=1#post7383090