Trump trial gets more pointed with Bolton book at the center

Sen. John Thune, R-S.D., answers reporters questions outside his office prior to the start of the impeachment trial of President Donald Trump at the U.S. Capitol, Wednesday Jan 29, 2020, in Washington. (AP Photo/Steve Helber)

Former National security adviser John Bolton leaves his home in Bethesda, Md. Wednesday, Jan. 29, 2020. (AP Photo/Luis M. Alvarez)

WASHINGTON — President Donald Trump’s impeachment trial shifted to sharply pointed, back-and-forth questioning Wednesday as Republicans strained to contain the fallout over John Bolton’s forthcoming book, which threatens their hopes of ending the trial with a quick acquittal.