So why bother? Kellyanne Conway as a truthful witness? Don’t make me laugh: Kellyanne Conway, who managed the final months of Donald J. Trump’s 2016 campaign, met with prosecutors from the Manhattan district attorney’s office on Wednesday, the latest sign that the office is ramping up its criminal investigation into the former president. The prosecutors are scrutinizing Mr. Trump’s role in a hush money payment to a porn star, Stormy Daniels, who has said she had an affair with him. The $130,000 payment was made by Mr. Trump’s longtime fixer, Michael D. Cohen, in the closing days of the 2016 campaign, and Mr. Trump ultimately reimbursed him. Mr. Cohen has said that Ms. Conway played a small yet notable role in the payment: she was the person Mr. Cohen alerted after making the payment, he wrote in his 2020 memoir. “I called Trump to confirm that the transaction was completed, and the documentation all in place, but he didn’t take my call — obviously a very bad sign, in hindsight,” he wrote. Instead, he wrote, Ms. Conway “called and said she’d pass along the good news.” Ms. Conway, who was seen walking into the district attorney’s office shortly before 2 p.m. on Wednesday, is the latest in a string of witnesses to meet with prosecutors in the last month or so. Since the district attorney, Alvin L. Bragg, impaneled a grand jury in January to hear evidence about Mr. Trump’s role in paying the hush money, at least five witnesses…