It's a busy Monday morning on the Billy and Lisa Morning Show. The hosts kick off the day discussing the Boston Marathon, with tens of thousands of runners gearing up for the big event. They also touch on local sports, including the Bruins and Red Sox games. The conversation takes a somber turn with news of a mass shooting in Shreveport, Louisiana, where eight children were shot and seven were killed. The hosts also discuss current events, including talks between the US and Iran, and the Coachella music festival. Plus, they announce a Boston Bonus giveaway and share a special talkback opportunity for marathon runners.