After a stretch of limited public appearances since leaving office, former President Joe Biden’s cancer diagnosis arrived amid heightened scrutiny of his cognitive health.

After days of intense political infighting between ultra-conservative and moderate Republicans, the House of Representatives voted along party lines on Thursday morning to approve a sweeping tax bill that seeks to eviscerate the heart of landmark climate legislation passed by Democrats just three years ago.

The Republican-led Senate moved Wednesday to overturn key Biden-era waivers allowing California to set its own vehicle emissions, a major blow to that state’s effort to regulate pollution from cars and trucks that could have broad environmental impacts for the rest of the country.