By JENNIFER STEINHAUER
The perfect political alchemy of low voter turnout, the languid campaign of his opponent and his own strong grass-roots base gave Mr. Hogan a decisive four-point victory.
The Upshot
By NATE COHN
Enthusiasm for President Obama brought out younger and nonwhite voters in 2008 and 2012, but demographic changes are set to have the same effect.
The Upshot
By DEREK WILLIS
Of the 10 House Democrats who have joined the G.O.P. most often in attempts to change or repeal the health care law, two will remain in the new Congress.
The Upshot
By BRENDAN NYHAN
Democrats’ poor midterm performance is unlikely to help, or hurt, their next presidential candidate. The state of the economy will matter more.
The Upshot
By MARGOT SANGER-KATZ
The plan called the “private option” has helped lower premiums for many Arkansans, not just the poor.
The Upshot
By NATE COHN
The lowest turnout of any competitive Senate race was the main reason for an unexpected nail-biter.
The Upshot
By ALAN FLIPPEN
Some Republican losers in the 1964 elections went on to distinguished careers. One would even become president.
By ROSS RAMSEY
The Texas election produced few competitive contests, but Tuesday’s results answered some questions about the state’s direction.
The Upshot
By DEREK WILLIS
It’s not easy for a Republican to become governor of Democratic-leaning Maryland, but here’s how Larry Hogan did it.
The Upshot
By JOSH KATZ
The elections are over. What have we learned about the efforts to analyze and predict the outcomes of various Senate races?
By MATT FLEGENHEIMER
After landslide re-election wins, Gov. Andrew M. Cuomo and his father, Gov. Mario M. Cuomo, were accused of failing to support other Democrats on the ballot.
By THOMAS KAPLAN
A divided Legislature will put Gov. Andrew M. Cuomo in a powerful position, allowing him to play deal maker between Republicans and Democrats.
By MICHAEL D. SHEAR
Mr. Warner, a Democrat, claimed victory just after midnight Tuesday, but his Republican opponent, Ed Gillespie, may be able to request a recount.
The Upshot
By NATE COHN
Many Democrats would have won if turnout had resembled a presidential election year. But Democrats also lost in states where turnout surpassed that of 2010.
The Upshot
By MARGOT SANGER-KATZ
People who were pleased with their new health care coverage remained unhappy with the Democrats who passed it.
By MICHAEL M. GRYNBAUM
Mayor Bill de Blasio was depicted as a liberal boogeyman in ads by Republicans aimed at upstate voters.
The Upshot
By NEIL IRWIN
The historical record shows intriguing possibilities for pragmatic action if President Obama can put aside his policy priorities.
By KATHARINE Q. SEELYE
The region’s all-Democratic House delegation will gain two Republican members, one from New Hampshire and one from Maine.
The Upshot
By JOSH BARRO
Significant expansions of gambling passed in three states, but were rejected in two where in-state interests balked.
By KIRK JOHNSON
Lessons for both sides of the issue are seen in votes in Alaska, Oregon and Washington, D.C.
The Upshot
By NATE COHN
The national Democratic party has been out of favor in the South for decades, and now the party has become a toxic brand for local politicians.
By SHAILA DEWAN
If the ballot measures on Tuesday were any measure, the issue has become unmoored from partisan politics, drawing support from both sides.
By BENJAMIN MUELLER
On a day when Republicans snatched up governor’s seats in traditionally Democratic states, Dannel P. Malloy’s wobbly victory took on the tone of a much larger triumph, and might have opened a narrow path to national prominence.
By MICHAEL BARBARO
For Gov. Chris Christie of New Jersey, the wave of Republican victories in statehouses on Tuesday is helping recast his image as a team player within his wary party.
By KIRK JOHNSON
The race for Senate — between Dan Sullivan, a Republican, and the incumbent, Mark Begich, a Democrat — and the vote for governor were still undecided on Wednesday.