The US Senate is expected to confirm Kevin Warsh this week as chair of the Federal Reserve , as Donald Trump continues his campaign to influence the world’s most important central bank. The Fed’s influence over the economy spans from the job market to mortgage rates, and its every move is carefully scrutinized by investors on Wall Street. Warsh’s confirmation comes at a turbulent time for the central bank, which has fallen under intense scrutiny from Trump for not lowering interest rates. The vote is expected to be split along party lines. Democrats criticize Warsh for being Trump’s “sock puppet” at a time when the president has pushed past the typical boundaries between the White House and the nonpartisan Fed. Warsh served on the Fed’s board as a governor from 2006 to 2011 and developed a reputation as a so-called “ inflation hawk” during the 2008 recession crisis – advocating for higher interest rates to mitigate rising prices.…