Price control and Elasticity

Give an example of a good that has elastic demand. What is the value of the price elasticity if demand is elastic? Give an example of a good that has inelastic demand. What is the value of the price elasticity if demand is inelastic?

Please include links/sources with your posting.

Why do most economists oppose attempts to control prices? Why does the government attempt to control prices anyway in a number of markets?

Do a Google search and share some examples of price controls with your classmates (rent controls and Venezuela could be very interesting).