Buying a home has become increasingly out of reach for Americans, who are grappling with a double whammy of high interest rates and surging home values. In his State of the Union address on Thursday, President Joe Biden proposed a new tax credit that would provide $10,000 to first-time home buyers. Biden is also proposing a separate $10,000 tax credit for current homeowners who sell their "starter home" in order to jump into a bigger house. That could help melt a real estate market in which homeowners who locked in low mortgage rates during the pandemic and are hesitant to...