i'm jeff glore. hillary clinton, joe biden, donald trump, jeb bush, all four names were all over political headlines sunday. clinton preparing for new testimony over benghazi. bibin preparing to possibly announce his campaign. bush and trump escalated a bitter spat over 9/11. in our washington >> i don't really know what their objective is. >> reporter: hillary clinton is dismissing upcoming appearance saying two previous testimonies. >> what difference at this point does it make? >> reporter: other congressional inquiries into the 2012 attacks refuteteconspiracy theories and now an attempt to derail her presidential campaign. >> i think it is pretty clear that whatever they might have thought they were doing they ended up becoming a partisan arm of the republican national committee. >> reporter: she is an important witness. but she is one witness. the chairman insisted he wants to focus on events surrounding the e tacks. >> i h he told my own republican colleagues and friends, shut up talking about

i'm jeff glore. the terror attack in benghazi is under focus.lary clin will testify before the house committee investigating the attack. four americans were killed including ambassador chris stevens. john dickerson speck to elijah cummings for face the nation. >> i want to speak to you about people from your committee, you are familiar with their remarks, kevin mccarthy suggested this committee has driven downhill ear clinton's poll numbers. richard hannah, republican from new york said explicitly this was a political investigation. a former investigator on your team has said this was a politically motivated investigation. why would all of these people say that? >> i guess because they didn't have any idea what the facts are. john. if you look at the facts. we have done 50 witnesses. one of whom you could argue was exclusively related to her e-mail. the shortest interview we have done. we have 50,000 new documents. less than 5% have anything to do with secretary clinton. she is an important witness, but she is one witness. and by the time we are

i'm jeff glore. captioning funded by cbs >>> it's monday, october 19th, 2015. this is the "cbs morning news." >>> millions of americans are in for an early dose of wintry weather as frost's freeze warnings stretch from the mississippi to the atlantic. >>> clashes on the campaign trail. donald trump doesn't back down for blazing blame on 9/11 on george bush. >>> and hillary clinton gets ready for questioning on ben ghazi ghazi. >>> one swimmer is fighting for his life after one shares his story of survival. >>> good morning from the studio 57 newsroom at cbs news headquarters in new york. thanks for joining us. i'm meg oliver in for omg. >>> parts of the eastern u.s. for the an early taste of winter. freeze warnings and frost advisories are in effect this morning from northern mississippi into northern massachusetts. the mid atlantic' northeast. on sunday, people in northern michigan saw their first snow of the season but the wintry seens won't last long. highs in michigan will hit 60 degrees. >>> up next on "cbs this morning," we will track the fall freeze and

i'm jeff glore. the terror attack in benghazi is under focus. hillary clin will testify before the house committee investigating the attack. four americans were killed including ambassador chris stevens. john dickerson speck to elijah cummings for face the nation. >> i want to speak to you about people from your committee, you are familiar with their remarks, kevin mccarthy suggested this committee has driven downhill ear clinton's poll numbers. richard hannah, republican from new york said explicitly this was a political investigation. a former investigator on your team has said this was a politically motivated investigation. why would all of these people say that? >> i guess because they didn't have any idea what the facts are. john. if you look at the facts. we have done 50 witnesses. one of whom you could argue was exclusively related to her e-mail. the shortest interview we have done. we have 50,000 new documents. less than 5% have anything to do with secretary clinton. she is an important witness, but she is one witness. and by the time we