. >> reporter: even mike beecher, who is still deciding between jeb bush and donald trump, says he's heard enough. wouldn't you wan see another debate to really be able? >> i don't need it. >> i don't need it at this point. >> if trump is running any risk, it's that some voters in i may say this is immature, but i think that risk is relatively small, particularly for the people already supporting trump who will look at this not as a petulant move but e of strength. >> reporter: though polling suggests the bigger the turnout the better trump will do caucus night, there's still little sign the campaign has followed through on its get out the vote effort. late tonight trump announced a counterevent at drake ersity. now all of the attention is back on the front-runner, and, lester, as you know, he's never liked to be he's grown increasingly sensitive on the trail lashing out at reporters and now refusing to face a tough moderator. >> all right, katy, ks. with democrats hillary clinton and bernie sanders days away from their showdown in iowa, sanders was here in washington, d.c., specific

. >> reporter: even mike beecher, who is still deciding between jeb bush and donald trump, says he's heard enough. wouldn't you want to see another debate to really be able? >> i don't need it. >> reporter: okay. >> i don't need it at this point. >> if trump is running any risk, it's that some voters in iowa may say this is immature, but i think relatively small, particularly for the people already supporting trump who will look at this not as a petulant move but as a move of strength. >> reporter: though polling suggests the bigger the turnout the better trump will do caucus night, there's still little sign the campaign has followed through on its get out the vote effort. late tonight trump announced a counterevent at drake university. now all of the attention is back on the front-runner, and, lester, as you know, he's never liked to be challenged. he's grown increasingly sensitive on the trail lashing out at reporters and now refusing to face a tough moderator. >> all right, katy, thanks. with democrats hillary clinton and bernie sanders days away from their showdown in iowa, sande

. >> repter: even mike beecher, who is ill decing betwe jeb bush and dond trump, says hs heard ough. wouldn't you wt to see otr debate to ally be able? >> don't nee. >> reporter:y. >> i don't nee a this point. >> if trumis runni any ri, it'shat some voterin iowa may sathis is immature, but i thin that risk is relatilymall particularly for the people already supporting trump who will looat this not as a petulanmove but as a move of strgth. >> reporter: though polling suggests the bier the tno t erru wl usight, thers lile sn th camp haslod through i getut e teffor late tonigru noa countereve at ak university. w all of the attention is bac ont-nner, and, gwn creasing sensitive on trail lhing ouat reporters a w resingo fa a tough derator. >> all rig, katy, thanks. with democra hillary inton d bernie sanderdays away from eir showdo in iowa, sanders was here wasto d.c., specifically the white house, whe he met president obama. it's aeeting planned weeks ago. i caught up with senator saers right after his oval office chat, and he told me their nversation coveremeic and reign policy issues a

. >> reporter: even mike beecher said he's heard enough. wouldn't you want to see another debate -- >> i don't need it. i don't need it at this point. >> if trump is running any risk, some voters will say this is immature. i think that risk is relatively small. particularly for the people who are supporting trump who will look at this not as a petulant move, but a move of strength. >> reporter: though the polls suggest the bigger the turnout, there's still little sign that the campaign has followed through on the get out the vote effort. >>> turning now to the democrats and the increasingly close race between hillary clinton and bernie sanders. yesterday, the vermont senator took time off the campaign trail to have a private meeting with president obama. afterwards sanders spoke with nbc's lester holt. >> it was a private conversation so i won't get into it. but i think if there's anybody in the world who understands what campaigning in iowa and new hampshire is about and putting together just an extraordinary grass roots movement that took