travel treacherous. it's disrupting air travel in particular forcing the cancellation of 700 flights today at dallas fort worth international airport. gas prices soar. rising almost 12 cents the past week. and almost 40 cents over the last month alone. and in maryland, conservatives will take a strong vote later today on who they want to win the republican presidential nomination in 2016. now back to "caught on camera." we need an e-1 band so we can replenish. [ sirens ] >> when a crowd of college students mixes with too much alcohol, the result can be a cocktail of bad behavior. with good judgment gone for the night, vandalism and rioting can spread like wildfire. ♪ march 12th, 2011. students are capturing video on