Abbas and Israel’s United Nations ambassador both said they were willing to negotiate on a plan for Middle East peace. Source

Joe Biden is leaving New Hampshire tonight to focus on South Carolina. This comes as he sinks in major New Hampshire polls, and after an apparent fourth-place finish in Iowa. CBS News campaign reporter Bo Erickson joins CBSN to explain the latest developments. Source

After Iowa’s caucus saw widespread technical errors in the app used to count ballots, people are asking whether going first is something Iowa and New Hampshire can still take for granted. Source

Bloomberg faces criticism for saying “you can just Xerox” the description of young male minorities “and pass it out to all the cops.” Source

Simone Johnson signed a wrestling contract with WWE to follow in the footsteps of not only her father, but her grandfather and great-grandfather. Source

In a major blow to insurgents, the Syrian Army has retaken the vital highway between Aleppo and Damascus. The United Nations is medating prisoner exchange talks between the warring parties in Yemen. And former IRA-linked party Sinn Féin came in a surprise second in Irish elections. CBS News’ Gwen Baumgardner rounds up the headlines from London. Source

Three small towns in the Granite State opened their polls at midnight, continuing a long tradition and a giving a symbolic early lead to someone who is not even on the ballot. Laura Podesta reports from Bedford, New Hampshire. Source

The study, released by the Guttmacher Institute on Tuesday morning, highlights what some reproductive rights supporters say is a strategy to “regulate abortion out of existence.” Source

Democratic presidential candidates are trying to court independent voters in Tuesday’s New Hampshire primary. CBS News special correspondent Alex Wagner, co-host of “The Circus,” joined CBSN AM from Manchester to discuss this and the latest on the campaign trail. Source

New Hampshire voters go to the poll today; Former Iowa governor wins lottery prize Source