Which individual is personally trying to influence public policy?

You're question isn't completely specific, but if I'm reading correctly I would tell you that interest groups influence public policy through lobbying of their interests.  This is a group of individuals who sign petitions, protest, and voting for example. I hope this helped :)

the cost of college has risen faster than inflation for many years.

the high price of student services and administration are two reasons for the rapid increase in cost.

where is the map at?