By Jason Lange WASHINGTON (Reuters) – U.S. President Joe Biden’s public approval rating rose to 40% this week, boosted by increased support within his Democratic Party, according to a Reuters/Ipsos poll finished on Tuesday. The two-day national poll still shows Biden’s approval near the lowest level of his presidency. His general unpopularity weighed on Democrats in the Nov. 8 midterm elections when Republicans narrowly seized control of the U.S. House of Representatives. Biden, who turned 80 this month, has said he intends to run for reelection in 2024 and would likely make a final decision e…