By Keith Lacey, Local Journalism Initiative Reporter The man convicted of possessing and firing a handgun on a crowded beach at Osoyoos Lake during Canada Day celebrations in 2022 and seriously injuring a young man was sentenced to seven years in a federal penitentiary consecutive to a four-year sentence he’s already serving on other gun-related convictions. Justice Shelley Fitzpatrick found Steven Gallagher, 32, guilty following a two-week trial last fall at the Penticton Courthouse of one count of aggravated assault, one count of pointing a firearm and one count or recklessly discharging a firearm. Crown attorney Nashina Devji had asked the court to impose a sentence of nine to 10 years against Gallagher during a sentencing hearing, while defence counsel David Hopkins had asked the court to impose a sentence…