* Joe Biden's economic advisors are drafting a proposal to recommend up to $3 trillion more spending, a person familiar confirmed to Insider. * The New York Times first reported the White House could split its colossal infrastructure plan in two. * The first part would focus on infrastructure and climate. The second may set up universal pre-K. President Joe Biden's economic advisors are expected to present a proposal that includes up to $3 trillion in new spending aimed at boosting the economy and fighting climate change through separate legislative pieces instead of a single colossal bill. A person familiar...