Bombs?

In other news... here's a video of the guys putting up the "bombs" in Boston:




Here's the news story about /actual/ fake bombs being planted in Boston on Thursday, Feb 1:

http://news.bostonherald.com/localRegional/view.bg?articleid=180349

And here's a story about actual bombs, not in Boston:

http://news.yahoo.com/s/ap/20070203/ap_on_re_mi_ea/iraq

Is there any explanation other than absurdity?