Ukrainian President Volodymyr Zelensky, in his increasing calls to get the US Congress to approve an aid package, met US Vice President Kamala Harris and even invited former president Donald Trump and any other US lawmaker to the front lines. “We are counting on this positive decision of the Congress,” Zelensky said after meeting Harris on Saturday, the second day of the Munich Security Conference, an annual gathering of top political and defence officials to debate international security policy. The aid package has been stalled in the Republican-controlled House of Representatives as Trump do…