Rep. Darrell Issa (R-Calif.), whose office has been working to evacuate two elderly U.S. citizens from Afghanistan, said that it’s likely about 500 Americans remain stranded in the country, a figure that is at odds with estimates provided by White House officials. “Unless we continue and get the rest of our American citizens, and all those otherwise eligible out, we won’t have done our job,” Issa told The Associated Press, confirming the number. When including the family members of American citizens, Issa said the number of people could be as high as 1,000. Rep. Don Bacon (R-Neb.) added to the news agency that the Biden administration needs to provide the full number of those left behind in the restive South Asian nation. “The problem is, it doesn’t include families,” he said. “They’re lowballing the numbers.” White House chief of staff Ron Klain on Sunday told CNN that he believes around …