Eight years ago, on January 16, 2007, then-Senator Barack Obama became the first Democrat of the 2008 election to jump into the presidential fray, when he announced his exploratory committee for the presidency. Hillary Clinton, also a senator at that time, announced her presidential bid on January 20, 2007.
Today there are many prospective candidates on both the Republican and Democratic sides, but no official declarations. Here & Now's Jeremy Hobson spoke with political analyst John Heilemann about who to watch as the countdown begins.
This segment aired on January 19, 2015.