WASHINGTON — President Donald Trump's approval rating fell to a record low as Americans worried about high gasoline prices and appeared ready to punish his Republican Party in the November 3 congressional elections, according to a Reuters/Ipsos poll that closed on Monday. Some 31% of Americans approve of Trump's performance in office, down a percentage point from two weeks earlier and the lowest level in either of his presidential terms, the four-day poll showed. Asked which party they would vote for if the congressional elections were held today in what is known as a "generic ballot" question, some 47% of registered voters in the nationwide poll picked Democrats and 35% chose Republicans. The 12-point Democratic advantage was the widest over the current election cycle and could bolster Democratic hopes of seizing control of the US House of Representatives and the US Senate. For Republicans, losing control of either chamber could complicate Trump's agenda in the last two years of his term. Generic ballot polls are national polls that provide an overall view of which party poll responde