Mayor Rahm Emanuel isn't halting his crusade for gun control at Chicago's city limits. The New York Times reported the mayor has also sent letters to TD Bank and Bank of America asking them to use their leverage as lenders to pressure gun manufacturers to support new gun control measures. Already, public pension funds in New York State and California have frozen or divested from gun manufacturers, the Times added. That report noted that TD Bank has provided a $60 million line of credit to Smith…