Santorum Becomes Millionaire in Six Years After U.S. Senate Loss

SANTORUM: BECOMES A MILLIONAIRE IN JUST 6 YEARS AFTER LEAVING U.S. SENATE! I wonder how that could be?
http://www.bloomberg.com/news/2012-01-05/santorum-becomes-millionaire-in-six-years-after-losing-u-s-senate-seat.html
"Since his 2006 re-election defeat, the former Pennsylvania lawmaker has gone from being one of the poorer members of the U.S. Senate to earning $1.3 million between January 2010 and August 2011. In 2007, he spent $2 million to buy a 5,000-square foot home in Great Falls, Virginia, according to property records."