an astronomer with Arizona State University.

national interests in the first place.Americans do have a red line that could change that: Russian use of chemical or nuclear weapons or an attack into NATO territory would spur a big majority backing for U.

big majorities favor increasing them now.Is Biden doing enough? President Biden continues to get mixed reviews for his handling of the situation.and increased sanctions against Russia find favor.

and they profile as seeking nonmilitary resolutions.Biden to take an even greater leadership role among world leaders trying to solve the conflict.

Biden to take less of a leadership role.

military action in Ukraine right now.witness Jonathan Turley said that the current evidence doesnt meet the standard of impeachment.

Polls indicate that most of the country shares those concerns while expressing doubts over the Biden administration investigating potential criminal conduct.Drew Angerer/Getty ImagesTurley said that the purpose of his testimony was to discuss how past inquiries pursued evidence of potentially impeachable conduct.

One of the House Republicans witnesses in their impeachment inquiry into President Joe Biden doesnt believe enough evidence has been presented.in business dealings in Ukraine and China