51.   The president said he also was concerned that guns sold at gun shows might not be subject to federal laws requiring background checks.

52.   The Sturgeon Bay Little League does not require background checks for adult volunteers.

53.   The treaty requires annual checks on materials that could be transformed into bomb-grade elements.

54.   The two sides see it as an important part of the system created to enforce the Brady Law, which requires background checks of all handgun buyers.

55.   There are laws on the books right now requiring background checks when somebody buys a gun from a licensed dealer.

56.   They also expect him to try to weaken the Brady Law, which requires background checks for gun buyers.

57.   They introduced a bill to require background checks for anyone purchasing weapons at gun shows and swap meets.

58.   This week the Brady Act, which requires background checks for gun buyers, received its most comprehensive report card to date.

59.   Tighter gun control measures succeeded in Oregon and Colorado, where voters approved by comfortable margins initiatives requiring background checks of all buyers at gun shows.

60.   Travelers within the United States who are following an itinerary requiring several checks can request an inspection by hand.