wall street week that started badly for just about everyone ended badly for many, the dow lost 115, the s&p 500 was down 7, the nasdaq gained a point. but for the week, the dow gained three-quarters percentage point, s&p 500 was up .87, nasdaq gained 1.37. congress got out of town without fixing the student loan problem, rates are set to double july 1st. the house passed a plan, but the senate has not and will not in time. senators say they will make any solution retroactive. gun advocates are trying to use upgraded ammunition against guners. talking about new taxes on weapons and ammo that some perceive as another assault on the second amendment. here is correspondent molly henneberg. reporter: it may be legal to own a gun, but in some states it may cost you more to buy one and to buy the ammunition to go with it. at this point, seven states and one local government have added