Vice President Joe Biden and a group of Democrats have accused 47 Republican senators Tuesday of undermining the president in international efforts to negotiate an agreement with Iran to curb its nuclear program.
They said an open letter to the leaders of Iran signed by 47 U.S. Senators could damage ongoing diplomatic talks, adding that it is a move tantamount to rushing to war with Tehran.
Biden, who was a senator for 36 years, said the letter threatens to undermine the ability of future presidents to negotiate international agreements and "is beneath the dignity of an institution I revere." READ MORE OF THIS STORY