C&L: Executive Moves

> Jean-Eudes Renier to join Merrill Lynch.
> Kenneth Leech takes leave from Western Asset Management.
> TD Ameritrade names Fred Tomczyk CEO.
> John Papadopulos tapped as Wachovia president of retirement products.
> Richard Sloan to leave Barclays?
> Bank of America Securities hires Michael Rietbrock to lead equity research.