WRAPUP 2-Fuel shortages, power outages hamper Sandy recovery
* Limited train service returns in New York
* Rescuers search house-to-house in coastal towns
* Obama to return to campaign trail
By Edward Krudy
NEW YORK, Nov 1 (Reuters) - New Yorkers awoke to the rumble of subway trains for the first time in four days on Thursday in one sign of recovery from Sandy's devastating blow. But elsewhere in the storm-struck U.S. Northeast, gasoline shortages persisted and emergency teams struggled to reach the worst hit areas and restore power to millions of people.
At least 76 people in North America died in superstorm Sandy, which rampaged through the U.S. Northeast on Monday night, and officials said the count could still rise as rescuers searched house-to-house through coastal towns.
After a three-day hiatus, President Barack Obama was to return to the campaign trail, boosted in his re-election bid by a resounding endorsement of his leadership from the Republican governor of New Jersey.
The Democratic incumbent, tied in polls with Mitt Romney ahead of Tuesday's election, begins a two-day trip to the swing states of Colorado, Ohio and Nevada while his Republican challenger travels to Virginia. Continued...