April 14 (Bloomberg) — Senator Judd Gregg, a Republican from New Hampshire, talks with Bloomberg’s Peter Cook about plans to overhaul the financial regulatory system. Obama called House and Senate leaders to the White House today to push for progress on the rules overhaul he proposed after a financial crisis that led to the collapse of Lehman Brothers Holdings Inc. and Bear Stearns Cos. and $700 billion in US aid for banks including Citigroup Inc. and Bank of America Corp. (Source: Bloomberg)