Ron Paul’s political views are unusual, and, as a closer look at his life reveals, unusually constant, shaping not only his career in Congress but also how he has lived his life.

Obama campaign aides are spending their time, they say, looking for Mitt Romney missteps, and they have been rewarded.

The casino magnate Sheldon Adelson has relayed assurances that he will donate millions more toward defeating President Obama even if his candidate is not the nominee, associates said.

Mitt Romney is keeping his focus on President Obama, but his aides say they are keeping a close watch on his Republican rivals and Newt Gingrich.

A special Saturday night caucus intended to accommodate Orthodox Jews became the scene of controversy and confrontation after caucusgoers were told they had to sign a legal declaration.

Mitt Romney is keeping his focus on President Obama, but his aides say they are keeping a close watch on his Republican rivals and Newt Gingrich.

Critics say the allocation of $507 million in special funds in the budget for the Army Corps of Engineers could be a way to direct money to pet projects.

In their commentary in the hours after the voting in Nevada, the four candidates laid out different realities for the weeks ahead.

Despite his weak showing in Nevada, Newt Gingrich says he is well-placed to do well in the March 6 "Super Tuesday" contests.

The economic and political changes of the past four years have established Nevada as a major battleground this fall.

If Mr. Romney loses the Republican presidential nomination, it is likely to be because of the one region that has yet to give him a victory: the Midwest.

Mitt Romney won handily in the Nevada caucuses with the help of groups he has struggled to persuade before, including strong Tea Party supporters and very conservative voters.

A special Saturday night Republican caucus intended to accommodate orthodox Jews who couldn't vote until after sundown became the scene of controversy and confrontation after caucusgoers were told that to gain admittance they had to sign a legal declaration under penalty of perjury that they could not attend their daytime caucus because of "my religious beliefs."

After losing a second state in less than a week to Mitt Romney, Newt Gingrich vowed not to quit the Republican race, charting an itinerary to campaign widely over the next few months.

A breakdown of the caucusgoers' support for individual Republican candidates.

Speaking to the press after the Nevada caucuses, Newt Gingrich repeatedly hammered Mitt Romney as a pro-abortion, pro-gun control, pro-taxes candidate of the establishment.

Representative Ron Paul was running neck and neck with Newt Gingrich in Nevada's caucuses on Saturday, outpacing both the expectations of pollsters and his own performance here four years ago.

Few in the Republican field of presidential candidates would be carved into a Mount Rushmore of (intentionally) funny politicians.

Republicans in Nevada are caucusing Saturday. We'll be bringing you occasional updates.

Even though Nevada Republicans have been voting at caucus sites around the state for hours now, we'll be waiting a long time before the state's G.O.P. officials release any actual votes.