Answer:
26: Free-Riding
27: Revolving Door
28: Interest groups can work against the "tyranny of the majority"
Step-by-step explanation:
26: By definition, the free rider problem is market benefits received in a communal nature without paying for them.
27: Revolving door is when people move between roles as regulators and legislators to being a member of the industries affected
28: To me, "B" seems to be the only answer I couldn't spin in a bad light
A: could be posed as Congress being controlled by interest groups
C: obviously controlling elections through donations is a negative
D: gridlock results in a standstill where things can't get done, especially if neither group is willing to concede