11.   Then, the twin towers collapsed, and the most popular topics suddenly became Nostradamus, World Trade Center and Osama bin Laden.

12.   There is nothing new about art as spiritual practice except how hot the topic is becoming as the art world wakes up to its significance.

13.   Unfortunately, this process tends to fail when the topic becomes more obscure or more historical.

14.   Congress has considered intervening and the topic has become fodder for White House candidates.