Former Vice President Mike Pence, a possible White House contender, looked to move to the right of his former boss and 2024 Republican front-runner Donald Trump at the annual NRA conference on Friday, calling for armed officers at all schools and speedier executions of shooters. But in a sign of the tough battle Pence faces to win over Trump fans and secure the Republican presidential nomination, boos rang out in the vast Indianapolis conference room of the National Rifle Association, the country’s leading gun-rights advocacy group, as he walked onto the stage to deliver his speech.
