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tom llamas, adair, iowa. hillary clinton's final push for votes has turned into a full-fledged family affair. daughter chelsea and former president bill clinton hit up the crowds as hillary clinton continued to downplay questions whether she broke the law with government e-mails 0 her private server. yesterday, clinton traveled nearly 300 miles across iowa, nearly twice the ground covered by bernie sanders. >> the big question is will that be enough for clinton to outpace clinton at the polls. the latest poll shows them in a statistical tie and yesterday sanders appeared confident. this land is your land, this land is my land >> sanders announced yesterday that his campaign has raised more than $20 million in january, asserting that he will continue to match clinton's considerable corporate resources. and stay with abc news all day long as george and robin begin "good morning america" and the entire political team reporting this evening on "world news now." look for an iowa caucus wrap-up on "world news now" tomorrow morning. >> big day. two virginia tech students are being held arres