rangel looks like he's beaten the challenge, state senator adrianne know espaillat isn't ready to concede just yet. >> in colorado, former congressman bob beauprez wins the primary for governor. >> the race has that everyone talking, mississippi senator thad cochran, the second longest serving republican in the chamber survived by stitching together a broad coalition, including democrats and african-americans. >> that was a nail biter. another big political story to tell you about right now, in washington, a stark sign of the incredible frustration there, a mounting effort by congressional republicans to sue the president. house speaker john boehner along with dozens of fellow lawmakers now on the record talking about filing suit against president