Americans had trouble picking the right answer on several politically salient topics, a poll of likely voters has shown. Supporters of President Joe Biden were wrong more often compared to those who disapproved of the president, though on no question did a majority of respondents answer correctly. Less than one in five of those approving of Biden were within $10 trillion of guessing the current national debt. About two in five of those who disapproved of the president picked the closest answer ($20 trillion to $30 trillion), according to forthcoming results of the Rasmussen/Heartland Institute poll obtained by The Epoch Times. The national debt stands at about $28 trillion as of mid-April. When asked about the extent of health insurance coverage, only about 5 percent of Biden supporters picked the right answer—that less than 10 percent of Americans were uninsured in 2019 before the COVID-19 pandemic. About 20 percent of …