Where the Kentucky senator stands in the largely undeclared field as his presidential campaign kicks off: can he balance Tea Party support, while luring younger voters?
CBS News poll shows voters want choices for 2016
Where are the voters who will decide the next election? In this new series, CBSNews.com Elections Director Anthony Salvanto digs out details in the data shaping our politics
How the issue of immigration reform could divide – or define – the 2016 presidential race
Georgia could be decisive; Democrats look to hold North Carolina and boost turnout in final days
Millennials' goals and choices may be much different than you think.CBS News elections director Anthony Salvanto and John Della Volpe of Harvard's Institute of Politics discuss what's shaping their views, and how they could reshape 2016.
A new CBS News poll shows voters are mostly keeping options open at this stage
Here's why it's already shaping the 2016 primary fight
As new Congress is sworn in key questions loom - what to look for in 2015's polls
The latest Battleground Tracker shows several very close governor's races in Florida, Wisconsin and Kansas, among others
CBS News Battleground Tracker shows close contests in Florida, Kansas, Colorado, Wisconsin
Battleground Tracker: A new CBS News/New York Times analysis shows the GOP leads overall but a few states keep Democrats in contention
A new CBS News/New York Times analysis shows the GOP with an advantage in a number of Senate races, though control could still tip either way
What the enthusiasm gap means for the polls - and for who will win the midterms