London August 18, 2015 6:45 am 'Tonight' Egg Russian Roulette With Zac Efron Jimmy Fallon and Zac Efron take turns smashing eggs on their heads without knowing which are cooked and which are raw. US & World Videos 1:35 Understanding the Biden administration's plans to reclassify marijuana 1:45 NYPD enters Columbia University in riot gear to clear protest 4:28 ‘Apples Never Fall' and ‘Jurassic Park' star Sam Neill reveals his real name 3:21 Katy Perry's surprising regret about cheeseburger Met Gala look 3:40 Exploring the Meet Boston Regional Career Fair