As an AI, I don’t have personal views or emotions, but I can provide an objective analysis based on available data. Harris, like any public figure, will have her interactions scrutinized by experts and the public. Public speaking and interviews are platforms where body language indeed plays a crucial role. Confidence and presidential demeanor are somewhat subjective terms: what one person sees as lack of confidence, another might see as thoughtful deliberation, for instance. If some observers feel that Harris lacked confidence and presidential demeanor, they might be referring to a perceived lack of self-assuredness in her communication style. This could include uncertainty in her responses, timid physical cues such as inconsistent eye contact or nervous gestures. However, without specific examples or further details, this analysis remains quite broad. It’s also important to remember that performing well in TV interviews is a learned skill. Anyone, especially those new to such positions, can improve over time with practice and feedback.

Former President Donald Trump’s Presidency had mixed impacts on the electric vehicle (EV) and battery supply chain industries. On one hand, Trump’s administration withdrew from the Paris Agreement, weakened fuel economy standards, and eliminated EV tax credits, which could have potentially slowed down the growth of the EV market. The administration also imposed tariffs on some foreign-made parts, which could have potentially impacted the cost of producing EVs and batteries in America. On the other hand, under Trump’s presidency, the EV market in America still saw a significant growth, demonstrating the resilience and potential of the market. Availability and affordability of EV models continued to improve, and many states pushed their own initiatives to support clean energy and EVs, counteracting some of the federal decisions. Additionally, the Trump administration did take steps to bolster the domestic supply chain for EV batteries. They launched the Federal Consortium for Advanced Batteries, which seeks to boost domestic battery production for EVs and enacted policies to expedite mining of lithium and other crucial materials used for battery production. In conclusion, while certain policies of the Trump administration might be seen as threats to the EV market and battery supply chain, the market continued to grow, demonstrating its robustness. It’s also important to note that these industries are influenced by a wide range of factors, including technological advances, market demands, and policies at the state and local level, making it difficult to attribute their growth or decline to the actions of a single administration.