Susan Davis reports on the latest WSJ/NBC poll. Nearly four in 10 Americans, 37%, believe President Barack Obama is taking on too many issues at one time, but even more Americans, 60%, believe the president is focused and taking on so many issues because the country has so many problems. His topic today is a sweeping proposal to change financial regulation, and earlier this week, the president made his case for an overhaul of the U.S. health care industry in a speech before the American ...