The Biden campaign is pulling out all the stops in an effort to defeat former President Donald Trump in November’s election. The campaign announced Tuesday that three former and current police officers who were present during the Jan. 6, 2021, Capitol protest will travel to swing states to try to persuade voters not to choose Trump, CBS News reported. The Republican is currently running ahead of Biden in polling in all seven key battleground states likely to decide this year’s contest, according to the RealClear Polling average of polls. The Cook Political Report showed Trump up in six of the …