Did you mean:

• independent think tank

• conservative think tank

• centrist think tank

• free-market think-tank

• free-trade supporting think tank

• nationalist think tank

• pro-democracy think-tank

• think-tank community

• think tank on transport issues

• think-tank

• doing the right thing

• think-and-do tank

• don't even think about/of doing something

• doing one's own thing

• doing one's thing