The point is the same, but one thing is for sure it is not the capitalism that economists refer to when they speak of voluntary exchange and the free market. What is clear is that rent-seeking behavior (my personal preference of the terminology) is alive and well.
As the tables below from the Center for Responsive Politics website Open Secrets show for the standing members of Congress for 2010 they are not shy about receiving money from PACs and individuals to benefit special interest groups and ensure (re-)election.
House
Party No. of Cands Total from PACs Total from IndivsAll 432 $128,470,184 $158,049,647
Dems 254 $84,615,843 $92,513,570
Repubs 178 $43,854,341 $65,536,077
Senate
Party No. of Cands Total from PACs Total from Indivs
All 99 $38,901,871 $93,257,179
Dems 56 $24,690,472 $66,015,468
Repubs 41 $14,053,749 $26,956,468