Buffet Touch or Inside Information ?

This article irks me since congressman and senators have knowledge of upcoming bills and how voting may pass on legislation.

Effectively that is equivalent to insider information in my book. Sure it is true that they can not be absolutely certain how voting will go, but they have a good sense before the public and also can hide smaller legislation within larger bills.

“A new study out notes that:

Four university researchers examined 16,000 common stock transactions made by approximately 300 House representatives from 1985 to 2001, and found what they call “significant positive abnormal returns,” with portfolios based on congressional trades beating the market by about 6 percent annually.
…”

Full article