fire began. the modesto bee is reporting flash bang devices and tear gas might have been responsible. well, amid all the stories of gun violence, mitt romney and newt gingrich are among those speaking at the national rifle association's conference today. for romney it's a chance to woo a key conservative group. he is a member of the nra. according to a new poll, 68% of respondents have a favorable opinion of the nra. but when it comes to gun ownership and laws, 63% say there should be more regulation. $88.5 million. that's how much money the super pacs have spent this year in the presidential election just so far. with this week's departure of rick santorum virtually paving the way for mitt romney's nomination, the super pacs have some decisions to make. what are they? what are they going to do with their money? msnbc's richard lui is here. so what are the options? >> chris, almost anything. a lot is at stake. 85 million spent so far -- 88