New polling by Reuters/Ipsos indicates that during the past two weeks - since just after the Democratic National Convention - support for Romney among Americans age 60 and older has crumbled, from a 20-point lead over Democratic President Barack Obama to less than 4 points.
Romney's double-digit advantages among older voters on the issues of healthcare and Medicare - the nation's health insurance program for those over 65 and the disabled - also have evaporated, and Obama has begun to build an advantage in both areas.
Voting preferences among seniors could change in the final six weeks of the campaign, but the polling suggests that a series of recent episodes favoring Obama and the Democrats could be chipping away at Romney's support among older Americans.
