8 PHOENIX (AP) — After wrapping up a hectic, two-day swing through Dallas, Houston and Phoenix to promote COVID-19 vaccinations, Jill Biden didn’t relax on the four-hour flight back to Washington. She prepped for yet more travel in a week that by itself demonstrated the range of missions and emotions associated with the first lady’s movements around the country. Within the span of 36 hours this past week, Biden went from clinking cups of beer with Doug Emhoff, the husband of Vice President Kamala Harris, at an Astros baseball game in Houston to joining the president in Florida to comfort families whose loved ones were lost or missing after the Surfside condo collapse. Along the way, she continued the juggling act that comes with being the first first lady to continue the career she had outside the White House. In Texas, she set aside an hour to Zoom into a book club meeting back in Virginia with women at the community college where she teaches English. Jill Biden’s pace of travel is on par with the president’s. The week before her stops in Texas and Arizona, she pushed vaccinations in Mississippi and Tennessee, and again days later in the Florida…