CNN host Jim Acosta asked Monday on “Newsroom” if former President Donald Trump should be at Arlington National Cemetery to lay a wreath to mark the third anniversary of the attack on Abbey Gate. Acosta said, “Former President Trump was at Arlington National Cemetery, where he marked the three-year anniversary of the bombing that killed 13 service members during the Afghanistan withdrawal. This is someone who, according to his own former chief of staff, said Americans who died in war are, ‘suckers’ and ‘losers.’ Trump denies that, although John Kelly confirms that Trump did say that. He more recently said...