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.

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.

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.

For a crop of ambitious Democrats, the shroud of secrecy surrounding former President Joe Biden’s health has become an opportunity to break with party leadership. In recent days, a small chorus of Democrats has been litigating the wisdom of Biden running for a second term,

Medicaid has become a key hot button topic in the sweeping tax and spending cuts bill that House Republicans are scrambling to pass as soon as this week.