It has been a year filled with big news stories that shaped the conversation on race, politics, privacy and much more. Yahoo Global News Anchor Katie Couric takes a look back at your most searched news stories of 2014, according to Yahoo. Here is the full story 10) Obamacare: Formally known as the Affordable Care Act, President Barack Obama’s plan to reform health care has been plagued by technical glitches and consumer confusion. Kathleen Sebelius,…