WASHINGTON — After a relatively disciplined start to Donald Trump's second term, the White House is grappling with signs of turmoil that have revived memories of his first chaotic presidency. From the extraordinary departure of his new press secretary after five days to questions about the future of his chief of staff, there have been a series of upheavals in recent weeks. The ructions come at the worst possible time for Trump, with many Republicans fearing that the president's dismal polling will drag on their chances in next month's midterm elections. The White House strongly denies there is infighting in what US media called the "Wild Wild West Wing" — with the fiercest pushback reserved for reports that Trump was looking to replace Susie Wiles, his ultra-loyal chief of staff. "No one is distracted by FAKE NEWS. This team is strong, united, and focused on President Donald J. Trump, delivering his America First agenda, and winning the midterms," White House Spokesperson Danielle Alvarez said in a statement to AFP. "The anonymous 'sources' peddling this nonsense are self-serving oppo