Contest is No. 1 among outside spending groups
Normally negative GOP spending groups show softer side of Mitt
Bauer-backed super PAC assails president
Super PAC donations flow, Ameritrade founder give big.
'Citizen Awareness Project' based in Colorado
Ads target swing states of Ohio and Virginia.
New attack ad from a Tea Party PAC says Obama is the one who's out of touch with Americans
Notable donors include the National Education Association, Bob Perry and Foster Friess
Group's backers a mystery.
Biden, Ryan razzed in quick response ads
