captioning sponsored by cbs this is the cbs evening news with scott pelley. pelley: first votes in the presidential election are six days away, and the republican race in iowa is as tight as it can be. a new poll out today shows donald trump leading ted cruz by two points, essentially a tie. marco rubio is the only other candidate in double-digits. here s major garrett. reporter: donald trump won endorsements today from evangelical leader jerry falwell, jr., and arizona chip joe arpaio, giving trump credibility on both abortion and immigration. we have so many incredible endorsements. i think i would love to win iowa. i m doing very, very well with the evangelicals, as you know and as you can see. reporter: ted cruz argued he s the most conservative candidate on issues. who stood and defended life and liberty. who defended the second amendment? who stood against obamacare? . is running this ad against i am pro-choice in every respect. i can do it better than
and as you can see. reporter: ted cruz argued he s the most conservative candidate on issues. who stood and defended life and liberty. who defended the second amendment? who stood against obamacare? . reporter: and his campaign is running this ad against trump. i am pro-choice in every respect. i can do it better than anybody. reporter: meanwhile, marco rubio is fighting to be the party s mainstream alternative. can you win the iowa caucus? i m going to do well in iowa and new hampshire, and we ll be the nominee when this is said and done. reporter: trump threatened to boycott thursday s debate because of fox news moderator megyn kelly. kelly is biased against me. reporter: kelly s only offense, ask trump tough questions. you ve called women you don t look fat pig, dogs, and disgusting animals. reporter: fox is standing with kelly. trump said he will most likely debate for a campaign that knows turnout is vital to victory, that s the riskiest strategy
with scott pelley. pelley: first votes in the presidential election are six days away, and the republican race in iowa is as tight as it can be. a new poll out today shows donald trump leading ted cruz by two points, essentially a tie. marco rubio is the only other candidate in double-digits. here s major garrett. reporter: donald trump won endorsements today from evangelical leader jerry falwell, jr., and arizona chip joe arpaio, giving trump credibility on both abortion and immigration. we have so many incredible endorsements. i think i would love to win iowa. i m doing very, very well with the evangelicals, as you know and as you can see. reporter: ted cruz argued he s the most conservative candidate on issues. who stood and defended life and liberty. who defended the second amendment? who stood against obamacare? . reporter: and his campaign is running this ad against trump. i amm pro-choice in every respect. reporwer: meanwhwle, marco ruo is fighting be
pelley: first votes in the presidential election are six days away, and the republican race in iowa is as tight as it can be. a new poll out today shows donald trump leading ted cruz by two points, essentially a tie. marco rubio is the only other candidate in double-digits. here s major garrett. reporter: donald trump won endorsements today from evangelical leader jerry falwell, jr., and arizona chip joe arpaio, giving trump credibility on both abortion and immigration. we have so many incredible endorsements. i think i would love to win iowa. i m doing very, very well with the evangelicals, as you know and as you can see. reporter: ted cruz argued he s the most conservative candidate on issues. who stood and defended life and liberty. who defended the second amendment? who stood against obamacare? . reporter: and his campaign is running this ad against trump. i am pro-choice in every respect. i can do it better than anybody. reporter: meanwhile, marco rubi
[laughter] this is captioning sponsored by cbs this is the cbs evening news with scott pelley. pelley: first votes in the presidential election are six days away, and the republican race in iowa is as tight as it can be. a new poll out today shows donald trump leading ted cruz by two points, essentially a tie. marco rubio is the only other candidate in double-digits. here s major garrett. reporter: donald trump won endorsements today from evangelical leader jerry falwell, jr., and arizona chip joe arpaio, giving trump credibility on both abortion and immigration. endorsements. iowa. i m doing very, very well with the evangelicals, as you know and as you can see. reporter: ted cruz argued he s the most conservative candidate on issues. who stood and defended life and liberty. who defended the second amendment? who stood against obamacare? . trump. i am pro-choice in every respect. i can do it better than anybody. reporter: meanwhile, marco rubio is fighting