New polls show former President Donald Trump leading President Joe Biden among voters in 5 key swing states - Michigan, Arizona, Nevada, Georgia and Pennsylvania. Biden won these states in the 2020 election. The polls found nearly 70 of voters feel the country's political and economic systems need major changes, and only 13 think Biden can deliver such changes in a second term. Nearly 40 of Trump supporters cited the economycost of living as their top issue, doubting Biden's claims the economy is improving. The polls surveyed over 4,000 voters in 6 states from late April to early May.