BERLIN  Germany's decision on sending troops to Ukraine will depend on US involvement and parliament's approval, German Chancellor Friedrich Merz told a virtual summit of allies on Thursday. According to Merz's spokesman, the chancellor told the leaders of the Coalition of the Willing that Germany wants to contribute to "security guarantees" for Ukraine after a negotiated solution, focusing on arming and training the Ukrainian army. “The focus must be on financing, arming, and training the