Bloomberg Might Enter Race

Former New York City Mayor Michael Bloomberg is seriously considering a possible independent presidential run and is looking at making a decision sometime in March, a source familiar with Bloomberg's thinking told CNN on Saturday.

The source said aides to the three-term mayor are looking at ballot access issues, but the source refused to speak specifically about what Bloomberg, 73, asked to be done.

Michael R. Bloomberg has instructed advisers to draw up plans for a potential independent campaign in this year’s presidential race. His advisers and associates said he was galled by Donald J. Trump’s dominance of the Republican field, and troubled by Hillary Clinton’s stumbles and the rise of Senator Bernie Sanders of Vermont on the Democratic side.

Mr. Bloomberg, the billionaire former mayor of New York City, has in the past contemplated running for the White House on a third-party ticket, but always concluded he could not win. A confluence of...