Are Pennsylvania's unbound delegates likely to back Donald Trump?
The 54 delegates who can vote for whomever they want at the GOP convention talked to CBS News about their picks for the nomination
April 29, 1974: Nixon announces release of Watergate tapes
During the Watergate investigation, President Nixon announced he would release more than 1,200 pages of transcripts from secretly recorded conversations
Is Trump right that women voters don't like Clinton?
He has accused her of playing the "woman's card" but says women don't like her
Protests, unrest outside Trump rally in Southern California
GOP front-runner packed Costa Mesa venue with 18,000 supporters, but there was trouble outside
Kasich insists he's staying in the race
Still lagging in wins and delegates, Kasich pitched himself again as the positive alternative in the race
Bernie Sanders: I'm the candidate who can win the general
Vermont senator echoes Howard Dean, says Democrats need "50-state strategy"
Former House Speaker Boehner has harsh words for Ted Cruz
At a Stanford University forum, former House Speaker John Boehner didn't mince words about Republican presidential hopeful Ted Cruz
Falling oil prices force Alaska-based company to lay off employees
Mark Hylen, vice president of Alaska-based Beacon Operational Health and Safety Services, says his company was forced to lay off employees due to a 20-percent reduction in business
That time Obama roasted Donald Trump (and other WHCD zingers)
A look at the president's best jokes about 2016 contenders from past White House Correspondents Dinners
How Cruz reacted when Boehner compared him to "Lucifer in the flesh"
The former House speaker called Cruz "Lucifer in the flesh" and a "miserable son of a b---h"