WASHINGTON — Several Senate Republicans on Tuesday came out publicly against filibustering the first major gun control legislation since 1993 before it is even brought up for debate on the Senate floor, as advocates inched toward breaking a conservative blockade of the measure. ((snip)) “We’re moving forward on this bill,” said Mr. Reid, who earlier Tuesday invoked his own father’s suicide by gunshot to implore consideration of the legislation, which would expand background checks for gun buyers, bolster school safety and crack down on people who purchase firearms for those who are not entitled to own them. “The American people...