 Complete the following phrase:  Open posting permits less rigorous items as well. The derisive term for this on MetaFilter is NewsFilter or similar -Filter names for specific news topics, e.g. IraqFilter. Nevertheless, it is accepted that some discussion of current events and politics in particular is inevitable, and a certain level is tolerated. If more than one post is made about a news topic, the extras are often deleted and discussion is redirected to the canonical post about the topic, usually the first one made. Important news items or political arguments can turn into very long discussions, such as a href911911a 2001, the London Bombings 2005, and Hurricane Katrina 2005which generated over 80 front page posts in about a week. The first example of this was arguably the 