Karen Tumulty

The race is the next, and perhaps biggest, battle between the Democrats’ warring factions.

In their rush to find a strong candidate to run against Sen. Susan Collins (R-Maine), Democrats should have more thoroughly vetted their party's nominee.

The physical journey of the Declaration of Independence tells its own story. Its imperfections and endurance reflect those of the America it helped create.

Tuesday’s primary victories for a slate of leftist candidates endorsed by New York Mayor Zohran Mamdani foretell bigger battles for a Democratic Party trying to win back power nationally.

No incumbent mayor of the country's second-largest city has faced a runoff in more than two decades.

President Donald Trump, by endorsing challengers of Republican incumbents, is creating lame-duck senators who owe him nothing.

The president has created a party that is loyal to him, even when he takes executive actions that anger the broader public. That dynamic leaves him weaker with those outside his base.

Social upheaval, deep polarization and social media are primary drivers of the phenomenon, which has touched Republicans and Democrats alike.

A spate of recent ethics cases illustrates the limits of a process that is slow and prone to political calculation.