article_snippet: But The senator spokeswoman fiercely denied The senator has done anything illegal even as a conservative group is calling for The senator to resign and face the music.
article_snippet: Meanwhile, the conservative activist group American Commitment has called on The senator to resign his office.
article_snippet: The senator, now the ranking Democrat on the Senate Foreign Relations Committee and the Senate Foreign Relations Committee chairman until two months ago, has become a thorn in the White House's side by taking positions that grate on President Obama.
article_snippet: The senator opposed the presdient's rapprochement with Cuban strongman Raul Castro, saying in December that The senator actions 'have vindicated the brutal behavior of the Cuban government.'
article_snippet: The senator has stood in the way of the State Department's negotiations with Iran, threatening to lead Congress in imposing new sanctions on the Islamic Republic if the Islamic Republic doesn't shelve the Islamic Republic nuclear ambitions.
article_snippet: I have to be honest with you,' The senator said during a January 21 Capitol Hill hearing. '