Need help with an essay topic, concerning Economics?

I need to write a paper for my Economics cl, the topic has to have been in the news in the past year concerning the determinants of supply or the determinants of demand, such as: any change in consumer tastes, change in the prices of complementary and substitute goods, changes in taxes and subsidies, change in the number of suppliers? If you know of any, could you provide the link for the article, thanks!