In the wake of his federal corruption conviction last week, Democratic Sen. Robert Menendez of New Jersey has set a date for resigning his post, according to multiple news reports. Menendez will resign effective Aug. 20, NBC News reported. The outlet said the U.S. Senate confirmed Tuesday afternoon that it had received Menendez’ letter of resignation. Menendez — who until recently was chairman of the Senate Foreign Relations Committee — was convicted in a jury trial last week on 16 federal counts of bribery and corruption after being accused of accepting gold bars and cash from representativ…