By David Shepardson WASHINGTON (Reuters) – U.S. President Joseph Biden will travel to Poland on Friday to discuss the international response to Russia’s invasion of Ukraine that has sparked a “humanitarian and human rights crisis,” White House spokeswoman Jen Psaki said late Sunday. Biden will travel to Warsaw where he will hold a bilateral meeting with President Andrzej Duda, the White House said. Over 2 million refugees have entered Poland from Ukraine since the start of the Russian invasion on Feb. 24, the Polish border guard said on Friday. Biden’s Poland trip will come a day after he meet…