ATLANTIC CITY, NJ — New Jersey lawmakers gave final approval Thursday to a bill legalizing Internet gambling within the state’s borders.The bill now goes to Gov. Chris Christie, who vetoed a similar but not identical measure last year that would have made New Jersey the first state in the nation to legalize online betting. Nevada and Delaware have since passed online gambling bills, but have not set a date to begin taking bets.State Sen. Raymond Lesniak said he hopes New Jersey can beat other states to the punch and start taking bets by the end of April if Christie signs …