BRUSSELS (AP) — European Union leaders endorsed a plan Thursday for sending Ukraine 1 million rounds of artillery ammunition within the next 12 months to help the country counter Russia’s invasion forces. With Ukraine facing ammunition shortages after more than a year of fighting, Estonian Prime Minister Kaja Kallas brought to the table last month the idea of the EU setting up a joint purchasing plan similar to the one devised during the coronavirus pandemic to buy vaccines. The EU leaders also discussed the fight against climate change, the bloc’s competitiveness and its response to the $369 billion U