At least 7,000 pro-Palestinian protesters shut down the Brooklyn Bridge during a march through the borough Saturday, openly cheering Hamas terrorists’ barbaric attacks on Israel — and justifying the murders of innocent mothers and babies. “Freedom by any means, land back by any means,” declared Dorian, a 24-year-old protester from Queens, during the three-mile Flood Brooklyn for Gaza march, which began at 3 p.m. in front of the Brooklyn Museum in Crown Heights, not far from the Hasidic Lubavitcher headquarters on Eastern Parkway, where a Sabbath festival was being held. “I believe the settler state of Israel must be taken...